At a time of rising political tensions, heightened by growing nationalism, China and Japan are more closely intertwined economically than they have ever been. In their breadth and intensity, the ties have begun to surpass those between the United States and Japan, whose economic relationship has often been called the most important in the world.
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China's ascension has been so fast that Japan must now contemplate a true rivalry, with the Chinese economy not only outstripping the Japanese in size in the future, but also perhaps matching it in sophistication before long.
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"History problems are history problems, but I think you have to be realistic," said Zhang Shuai, a 22-year-old engineering student. "There are certain problems that are government problems, but this is about my future, my lifestyle."
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In Japan, business tends to support Koizumi for leading domestic economic change, but cringes at his government's antagonistic policy toward China. Businesspeople fear that after Koizumi retires next year, an even more nationalistic leader may replace him.
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"It's difficult to make Japanese, even your own brothers and sisters, understand that Japan's development depends on China and China's development depends on Japan," he added. "They are under the influence of the media back home, which is always blasting away at China."