The Supremacy Clause is a clause within Article VI of the U.S. Constitution which dictates that federal law is the "supreme law of the land." ... Under the doctrine of preemption, which is based on the Supremacy Clause, federal law preempts state law, even when the laws conflict.
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freedmen's bureau established schools
B. Christianity because they were moving to be free
FDA (Food and Drug Administration) is the US government agency responsible for regulating medications.