Answer:
The Gulf of Tonkin incident.
Explanation:
I had this already.
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.
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However, vestigial organs have been used to justify how life changes over time. Vestigial organs are those organs that are no longer useful but are still in the body. an example of vestigial body in human beings is the appendix, which plays no role at all, but used to play important role in the past.
It was hitler’s new regime in Europe. His new order grew from from his racial obsessions; inferior races pushed aside made to live in ghettos or concentration camps; death camps were the final solution.