The enactment of the Clean Air Act of 1970 (1970 CAA) resulted in a major shift in the federal government's role in air pollution control. This legislation authorized the development of comprehensive federal and state regulations to limit emissions from both stationary (industrial) sources and mobile sources.
Answer: The Tang dynasty got its territory through devastating wars. Buddhism gained strength and became part of the Chinese tradition. It was the golden age of art and literature. Like the Song dynasty, they thought of humble people living in poor conditions. The best of this dynasty was achieved with Li Shi Min who murdered his brothers to reach power but reigned in an exemplary manner. He strengthened his army with horses and bows. The whole population was prosperous and rich. Poetry was very popular because people traveled a lot for their economic solvency and had several sources of inspiration.
The Song dynasty was the first government in the world that used paper money, also used powder for the first time, they discovered true North using the compass. They developed military technology using powder. Social life during this dynasty was spectacular, the elite met to observe and trade with works of art, to public parties and shows in the neighborhoods. Literature, technology, philosophy, engineering, science and mathematics were disseminated. They infused Confucianism with Buddhist ideals and created the doctrine of Neo-Confucianism. They provided humble people with education and religious services.
The Mesopotamians wrote the Epic of Gilgamesh and the Code of Hammurabi using Cuneiform.
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Explanation:
Supreme Court decision that upheld the separate but equal doctrine, the case stemmed from an 1892 incident in which African American train passengers Homer Plessy refused to sit in a car for blacks.
