Answer:
The correct answer is: In <u>1990</u>, Congress dramatically revised and expanded the Clean Air Act, providing EPA even broader authority to implement and enforce regulations reducing air pollution emissions. (...)
Explanation:
On November 15, 1990 the Clean Air Act was revised in a major effort to strenghten and help ensure better compliance with the Act. The 1990 Amendments were designed to have better response to 4 threats to the environment: acid rain, toxic air emissions, urban air pollution and stratospheric ozone depletion.
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Causes: The problems caused by industrialization, urbanization, immigration, and political corruption. Reconstruction in general after the Civil War also contributed - people were just trying to improve America.
Effects: The 18th Amendment (prohibition of alcohol), the 19th amendment (women's right to vote).
Answer: Greek democracy created at Athens was direct, rather than representative: any adult male citizen over the age of 20 could take part, and it was a duty to do so. The officials of the democracy were in part elected by the Assembly and in large part chosen by lottery in a process called sortition.
Explanation: