I NEED HELP PLS 30PTS

What pact signed on 1949 reinforce that the united states would not return to an isolationist policy

Hich explains why the constitution gave congress the power to create a system of federal courts? the constitution wanted congress to share power with the judicial branch. the constitution anticipated the need for courts lower than the supreme court. the constitution wanted congress to share power with the appellate courts. the constitution anticipated the need for courts equal to the supreme court.

According to this contract, when will the sharecropper receive his payment?