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Imperial Ambition: Business Interests Push U.S. Involvement Overseas
03:49

Imperial Ambition: Business Interests Push U.S. Involvement Overseas

Great Britain amasses vast colonies in Asia and Africa in the second half of 19th century. With the exception of the United States, other countries scramble to join race. Many Americans loath the idea of imperialism and want the U. S. to remain focu...

Air: China's Impact on Global Air Quality
11:10

Air: China's Impact on Global Air Quality

China is in a period of rapid economic development. Its size, both in land mass and human population, and the fact that it uses primarily coal to fuel its industrialization, make for a current air pollution problem and the potential for enormous glo...