This clause gives congress powers not in const. to carry out expressed powers. A. full faith and credit
B. necessary and proper
C. privileges and immunities
D. supremacy

- three-quarters or two-thirds..

- "the constitution provides that an amendment may be proposed either by the congress with a two-thirds majority vote in both the house of representatives and the senate or by a constitutional convention called for by two-thirds of the state legislatures."

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answer; i believe that the correct answer is (c) arctic tundra;

d) post-world war i