Answer:
The third one.
Explanation:
Federalism is the federal principal or system of government
Smarty pants explanation smart
The British would cede all lands east of the Mississippi River and North to Canada to the United States except for Florida, which would be given back to Spain.
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.
