Or so you imagine. In the last few centuries, China was effectively taken over by western colonial powers, then ravaged by the Japanese in WWII, after which these same western powers tried to intervene in a Chinese civil war and branded the communists who won the war an enemy, watched western powers fight wars right on China's borders to control their colonies. Of course China, for very good reasons, believes it must have a powerful military to defend itself against the western powers that condemned China's colonization of Tibet even as those same powers fought wars to defend their control over colonies in Asia, as well as to defend itself from India and Russia, with which it has long borders. And you can't have a powerful military without a powerful economy.
Is it that China wants to be the dominant economic and military power on Earth or that the West is determined to remain the dominant economic and miliary power on Earth and is resentful of China's growing economic success and that resentment has turned into fear? The West argues that it wants to defend freedom and democracy everywhere, and that is to some extent true, but perhaps from a Chinese perspective it seems the failed colonial powers of the West still want to dominate the peoples of Asia.