1. What was the significance of the U. S.Supreme Court decision in Marbury v.
Madison (1803)?
A. It gave the Court the power to mediate disputes between different states.
B. It gave the Court original jurisdiction in disputes involving foreign
governments.
C. It established the power of the Court to declare an act of Congress
unoonstitutional
D. It established the right of the Court to advise Congress in advance on the
validity of proposed laws.

racism and segregation.

the answer for 3 is b and the answer for 4 is d

he is known for discovering   the fossil of a female hominin australopithecine   known as "lucy" in the afar triangle region of hadar, ethiopia.

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the national congress's powers over the states were specific and definite: it had the sole power to negotiate treaties, declare war, and make peace. all powers not granted to congress were reserved for state governments. congress had no power to levy taxes, for example.