Throughout most of China's history it was ruled by powerful families called dynasties. The first dynasty was the Shang and the last was the Qing. Ancient China also boasts the longest lasting empire in history. It began with the Qin dynasty and the first emperor Qin who united all of China under one rule in 221 BC.
Daoism<span>, also spelled </span>Taoism<span>, </span>indigenous<span> religio-philosophical tradition that has shaped </span>Chinese<span> life for more than 2,000 years. In the broadest sense, a Daoist attitude toward life can be seen in the accepting and yielding, the joyful and carefree sides of the Chinese character, an attitude that offsets and complements the </span>moral<span> and duty-conscious, </span>austere<span> and purposeful character ascribed to </span>Confucianism<span>. Daoism is also characterized by a positive, active attitude toward the occult and the </span>metaphysical<span> (theories on the nature of reality), whereas the </span>agnostic<span>, </span>pragmatic<span> Confucian tradition considers these issues of only marginal importance, although the reality of such issues is, by most Confucians, not denied.
In the late 1800s, American cities suffered from serious environmental pollution due to the smokestack emissions from hydroelectric power plants. The correct answer is D.
