CHINA was once bullied. But now it’s the one bullying. During the 19th and early 20th centuries, Western imperial powers subjugated China, imposing treaties that forcibly opened its ports to the opium trade and secured territorial concessions. Britain took over Hong Kong and France dominated Guangzhouwan, while Portugal took control of Macao and Russia seized large territories along China’s northern frontier. This humiliating period in China’s history shaped President Xi Jinping’s risk calculus as the country seeks to restore its global power and pursue its perceived destiny.China has aggressively asserted its claims in the South China Sea and sought to…