It included liberals and unionist in its meaning of "un-American". The House Un-American Activities Committee (HUAC) was made in 1938 to examine charged traitorousness and subversive exercises with respect to private natives, open workers, and those associations associated with having Communist ties.
I believe the answer is A: judge reviews laws and studies the Constitution.
From what I can see C would be the best answer
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A rising population helped the industrial revolution because it provided a large work force for the factor but it lead to pollution. ... The cotton Gin was aided to the textile industry and was invented Eli Whitney.