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The Constitution's supremacy clause
A) gives the states superiority over the national government's Constitution and laws
B) does not apply to state and local matters
C) makes the President supreme in any constitutional conflicts with the other two branches
D) is vague about which level of government should prevail in a dispute involving federalism
E) made the Constitution, the laws of the national government, and the national government's treaties the supreme law of the land
E) made the Constitution, the laws of the national government, and the national government's treaties the supreme law of the land