"which of the following was the name for roosevelt and churchill's agreement to collective security, disarmament, freedom of the seas, and economic cooperation?
a. yalta conference
b. potsdam conference
c. atlantic charter
d. tehran conference

Which of the following describes an effect of world war ll on the united states economy a. automobile companies produced a record number of cars b. many factories had to expand to produce military equipment c. the airplane industry suffered as the allies began using airplanes in combat d.cities with shipyards declined because so many ships had been sent overseas.