Answer:
U.S.A:00 / 0 votes)Rate this definition: United States, United States of America, America, the States, US, U.S., USA, U.S.A. (noun) North American republic containing 50 states - 48 conterminous states in North America plus Alaska in northwest North America and the Hawaiian Islands in the Pacific Ocean
C.S.A:Confederate States of America.
Explanation:
Federalism is a mixed or compound mode of government that combines a general government with regional governments in a single political system. Its distinctive feature, first embodied in the Constitution of the United States of 1789, is a relationship of parity between the two levels of government established.
Congress may, by a two-thirds vote in each chamber, propose a specific amendment; if at least three-fourths of the states (38 states) ratify it, the Constitution is amended. Alternatively, the states may call on Congress to form a constitutional convention to propose amendments.