Winston churchill coined the phrase "iron curtain" in reference to what?

Which of the following was not an effect of westward expansion? a. native american tribes suffered confinement on reservations. b. native americans learned new techniques of irrigation. c. many native americans died from the spread of disease. d. natural resources were depleted from misuse by white settlers.

N1947, the united nations create a country

Who was the fifth president of the u. s.