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1.
one who opposes balancing state and national government powers. way back it meant one who opposes the ratification constitution of the united states.

people who might oppose federalism are far right & left-wingers, far right wingers pushing state over nation, a far left-wingers pushing national over state. also anarchist who hate america.
antifederalist people are usually politicians
by sorry can't give you that February 23, 2008