The Supreme Court can check the power of Congress by ruling legislation passed by Congress is unconstitutional. The Supreme Court can do this when they a presented with an opportunity to hear a case which disputes a law. The supreme court's decision is final because it is the highest court in America.
It can make laws that can be passed of to the supreme court
The President checks the power of the Supreme Court by appointing Supreme Court justices and the Chief Justice (subject to Senate confirmation).
The U.S. Supreme Court has the power to declare an act of Congress unconstitutional.
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Congress can check the power of the Supreme Court by introducing amendments to the Constitution.
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The Congress and the Supreme Court provide a constitutional check on the President's powers
the supreme court has the power to interpret the laws no matter what
The Legislative Branch
they can issue a supreme court decision
Supreme Court interprets the law according to the constitution so they can stop, repeal, or support a law.
Courts can judge legislative acts to be unconstitutional. This means that the Supreme Court can say that a law that the Senate has passed is unconstitutional.