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The elastic clause of the US Constitution gives Congress the power to (1) “make rules for the government and
regulation of the land and naval forces;…” (2) “regulate commerce with foreign nations, and among the several states, and with the Indian tribes;…” (3) “lay and collect taxes, duties, imports and excises,…”(4) “make all laws which shall be necessary and proper for carrying into execution the foregoing powers,…”
(4) “make all laws which shall be necessary and proper for carrying into execution the foregoing powers,…”