The policy of kept the united states out of the fighting during the first few years of world war ii. the policy of prompted britain and france to agree to germany’s demand for sudetenland in czechoslovakia.

1. The answer is Isolationism

In terms of foreign relations, isolationism refers to the act of remain neutral and refuse to take any position to support any countries that involved in the conflict. This stand of American isolationism ended the second the Japanese Army bombed the Pearl Harbour.

2. The answer is: Appeasement

Appeasement refers to any political move that being done in order to avoid military aggression. In the past, The great Britain and the French agree to Germany's demand because they fully knew that Hitler and his army would started the aggression toward their nations if they don't.

Complementary goods. they go together, thats why one price increase and the others demand increases