Jacob Riis, Ida Tarbell, and Margaret Sanger are<span>best known for their efforts to
(1) create awareness about social problems.</span>
:Bulgaria, Czechoslovakia, and East Germany.
Answer:
He denounced the presence of communists in the administration Explanation:
McCarthy was famous for accusing people of being communists in the army or the administration without any reliable evidence. His witch hunt started in 1950 in Wheeling(West Virginia) when he made a speeh called "enemies from within"
He lost his credibility in 1954 and died three years laters due to his alcoholic.
Answer:
It differed in that the sun was at the center of the universe/solar system.