Answer:
The Constitution explicitly grants Congress a limited set of carefully defined enumerated powers, while reserving most other legislative powers to the states. As a result, Congress may not enact any legislation that exceeds the scope of its limited enumerated powers
Explanation:
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It would be D. It placed a limit on Western expansion in North America in order to end struggles with the Native Americans.
Answer:In 1947, Salk took a position at University of Pittsburgh, where he began conducting research on polio, also known as infantile paralysis. By 1951, Salk had determined that there were three distinct types of polio viruses and was able to develop a "killed virus" vaccine for the disease.
Explanation:
Answer:
carnegie belived those who were wealthy had an obligation to use that wealth for good purposes
