Answer:
A. c. and B. are the answers
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 economy of North Korea did not improve following the end of the war.
Explanation:
i did the test
The 14th Amendment overturned the Dred Scott decision. This amendment gave citizenship to more than 4 million previously enslaved African Americans. The 14th Amendment was part of the Reconstruction Amendments, which included the 13th (abolished slavery) and the 15th (gave African American men the right to vote). These amendments were passed between 1865-1870.
