Following world war ii, a metaphoric "iron curtain" was drawn across europe. what was meant by this?

Kennedy implies that starting a nuclear war would be insane. why?

Adirect democracy is similar to a representative democracy because both forms of government a. have leaders with unlimited powers. b. are led by a single ruler. c. allow citizens to vote in elections. d. do not protect the rights of the citizens.

Who were the only people that were not allowed to be a citizen in the roman empire