Social revolution occurred in America during the the 1970's. The political and economical status of women increased. Discrimination were removed in minority groups. Environmental awareness also started during this time having the first Earth Day celebrated in 1970.
After the meeting of the Big Three in Teheran, the opening of a second front on Germany was called Operation Overlord.
I think the United States was justified in sending troops to Cuba and the Philippines to fight against Spain because many Cubans flew to the USA to escape from the Spanish control. That act was a manifestation that they expected help from the USA, so the USA was morally compelled to take action.
