The policy of blank kept the united states out of the fighting during the first few years of world war 2.

Isolationism.

Isolationism was the general policy advocated by members of the public and led by members of the Senate which advocated for the US staying out of wars in Europe and Asia that did not involve it, especially in light of the US's slow emergence from the Great Depression.

c

the articles of confederation placed most of the power on the feds

the structure was most likely used for;

c. playing a ball game with stone hoops