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Like Xinjiang, Tibet is essential to China's territorial self-conception, and like Xinjiang, it affects China's external relations. The mountainous Tibetan Plateau, rich in copper and iron ore, accounts for much of China's territory. This is why Beijing views with horror the prospect of Tibetan autonomy, let alone independence, and why it is frantically building roads and railroads across the area.
Without Tibet, China would be but a rump -- and India would add a northern zone to its subcontinental power base.
With its one-billion-plus population,
India already is a blunt geographic wedge in China's zone of influence in Asia. A map of "Greater China" in Zbigniew Brzezinski's 1997 book The Grand Chessboard makes this point vividly. To some degree,
China and India are indeed destined by geography to be rivals: neighbors with immense populations, rich and venerable cultures, and competing claims over territory (for example, the Indian state of Arunachal Pradesh). The issue of Tibet only exacerbates these problems. India has been hosting the Dalai Lama's government in exile since 1957, and according to Daniel Twining, a senior fellow at the German Marshall Fund, recent Chinese-Indian border tensions "may be related to worries in Beijing over the Dalai Lama's succession": the next Dalai Lama might come from the Tibetan cultural belt that stretches across northern India, Nepal, and Bhutan, presumably making him even more pro-Indian and anti-Chinese.
China and India will play a "great game" not only in those areas but also in Bangladesh and Sri Lanka. Xinjiang and Tibet fall within China's legal borders, but the Chinese government's tense relations with the peoples of both provinces suggest that as Beijing expands its influence beyond its ethnic Han core, it is bound to encounter resistance.
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The largest country of mainland Southeast Asia is Myanmar. If
Pakistan is the Balkans of Asia, at risk of being dismembered, Myanmar is like early-twentieth-century Belgium, at risk of being overrun by its great neighbors. Like Mongolia, the Russian Far East, and other territories on China's land borders, Myanmar is a feeble state abundant in the natural resources that China desperately needs. China and India are competing to develop the deep-water port of Sittwe, on Myanmar's Indian Ocean seaboard, with both harboring the hope of eventually building gas pipelines running from offshore fields in the Bay of Bengal.
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But
Korea's enmity toward Japan is significantly greater than its enmity toward China. (Japan occupied the peninsula from 1910 to 1945, and Seoul and Tokyo continue to argue over the status of the Tokdo/Takeshima islets.) Economic relations would be stronger with China than with Japan: a unified Korea would be more or less under Seoul's control, and China already is South Korea's biggest trading partner. Finally, a reunified Korea that tilted slightly toward Beijing and away from Japan would have little reason to continue hosting U.S. troops. In other words, it is easy to conceive of a Korean future within a Greater China and a time when the United States' ground presence in Northeast Asia will diminish.
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The political scientist John Mearsheimer wrote in The Tragedy of Great Power Politics that
"the most dangerous states in the international system are continental powers with large armies." This might be reason to fear China's influence as the country becomes more of a continental power. But China only partially fits Mearsheimer's description: its army, 1.6 million strong, is the largest in the world, but it will not have an expeditionary capability for years to come.
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China's unprecedented strength on land is partly thanks to Chinese diplomats, who in recent years have busily settled many border disputes with Central Asian republics, Russia, and other neighbors
(India is the striking exception).
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But China is not so self-confident. Still an insecure sea power, it thinks about the ocean territorially: the very terms "first island chain" and "second island chain" (the second island chain includes the U.S. territories of Guam and the Northern Mariana Islands) suggest that the
Chinese see all these islands as archipelagic extensions of the Chinese landmass. In thinking in such a zero-sum fashion about their country's adjoining seas, China's naval leaders are displaying the aggressive philosophy of the turn-of-the-twentieth-century U.S. naval strategist Alfred Thayer Mahan, who argued for sea control and the decisive battle.
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According to a 2009 RAND study,
by the year 2020, the United States will no longer be able to defend Taiwan from a Chinese attack. The Chinese, argues the report, will by that time be able to defeat the United States in a war in the Taiwan Strait even if the United States has F-22s, two carrier strike groups, and continued access to the Kadena Air Base, in Okinawa, Japan. The report emphasizes the air battle. The Chinese would still have to land tens of thousands of troops by sea and would be susceptible to U.S. submarines. Yet the report, with all its caveats, does highlight a disturbing trend. China is just 100 miles away from Taiwan, whereas the United States must project military power from half a world away and with more limited access to foreign bases than it had during the Cold War. China's strategy to deny the U.S. Navy entry into certain waters is designed not only to keep U.S. forces away generally but also, specifically, to foster its dominance over Taiwan.
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There is, however,
a contradiction at the heart of China's efforts to project power at sea in the Asian Mediterranean and beyond. On the one hand, China seems intent on denying U.S. vessels easy access to its coastal seas. On the other, it is still incapable of protecting its lines of communication at sea, which would make any attack on a U.S. warship futile, since the U.S. Navy could simply cut off Chinese energy supplies by interdicting Chinese ships in the Pacific and Indian oceans. Why even bother trying to deny access if you never intend to enforce it? According to the defense consultant Jacqueline Newmyer, Beijing aims to create "
a disposition of power so favorable" that "it will not actually have to use force to secure its interests." Showcasing new weapons systems, building port facilities and listening posts in the Pacific and Indian oceans, giving military aid to littoral states located between Chinese territory and the Indian Ocean -- none of these moves is secret; all are deliberate displays of power. Rather than fight the United States outright, the Chinese seek to influence U.S. behavior precisely so as to avoid a confrontation.
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Tensions on land may reinforce tensions at sea:
the power vacuums that China is now filling will in due course bring it into uneasy contact with, at a minimum, India and Russia. Once-empty spaces are becoming crowded with people, roads, pipelines, ships -- and missiles. The Yale political scientist Paul Bracken warned in 1999 that
Asia was becoming a closed geography and faced a crisis of "room." That process has only continued since.
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The Garrett plan also envisions a dramatic expansion of U.S. naval activity in the Indian Ocean. It does not envision enlarging existing U.S. bases, however; it anticipates relying on bare-bones facilities in the
Andaman Islands 
, the Comoros, the Maldives, Mauritius, Réunion, and the Seychelles (some of which are run directly or indirectly by France and India), as well as on defense agreements with Brunei, Malaysia, and Singapore. This would ensure free navigation and unimpeded energy flows throughout Eurasia. And by both de-emphasizing the importance of existing U.S. bases in Japan and South Korea and diversifying the United States' footprint around Oceania, the plan would do away with easy-to-target "master" bases.
The United States' hold on the first island chain is beginning to be pried loose anyway. Local populations have become less agreeable to the presence of foreign troops in their midst. And the rise of China makes Beijing intimidating and appealing at once -- mixed feelings that could complicate the United States' bilateral relations with its Pacific allies. It is about time. The current crisis in U.S.-Japanese relations -- which has arisen because the inexperienced Hatoyama government wants to rewrite the rules of the bilateral relationship in its favor even as it talks of developing deeper ties with China -- should have occurred years ago. The United States' still extraordinarily paramount position in the Pacific Ocean is an outdated legacy of World War II, a function of the devastation that China, Japan, and the Philippines suffered during the conflict. Nor can the United States' presence on the Korean Peninsula, a byproduct of a war that ended over half a century ago, last forever.
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