Which was a sign of economic weakness during the 1920s

The idea of manifest destiny simply stated it was america's destiny to expand from the atlantic ocean to the pacific. the word "destiny" implies an idea that it was within our rights as a nation to expand. in a paragraph of 125+ words, explain what could be wrong with that idea.

Which of the following elements is not typical of an advanced society? a. cities b. science c. industries d. and nomadic lifestyle

Hitler hoped the threat of would deter the u.s. from entering the war. a. japanb. genocide c. nuclear war d. war on two fronts