Answer:
James Monroe proposed the "doctrine" in which he addressed the Europeans with the intention that none of the countries of that continent would interfere in America. "America for the Americans", meant that Europe could not invade or have colonies on the continent.
During the industrial revolution, large quantities of workers were being employed in very appaling conditions wich weren't really fit for working conditions. For that reason, the labor unions argued and fought for them to work in better conditions and work less + for better pay.
Answer: D
Explanation: none
Tall soaring towers, round ribbed vaults, pointed arches, flyijg bettresses, thin walls, stained glass windows