I think the answer is france, but only 70% sure.
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.
Italy is the country that changed sides about a year after World War I began and joined new sides. Italy was actually part of an alliance that included the countries of Austria-Hungary and Germany. It was actually part of the Triple Alliance before World War I. I hope the answer helps you.
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The Step Pyramid of Djoser! Hope this helps :)
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The British took control of China through the Opium War which occurred from 1840 to 1842 -Britain had begun growing opium in India -British merchants then began smuggling opium into China in order to balance their purchases of tea for export to Britain -Requested Queen Victoria
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