Which defense policy did President Kennedy favor?

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.

What was life like living under the nazis in 1930s germany and the khmer rouge in 1970 cambodia? how did the everyday lives of the citizens in each nation compare

What caused farmers to feel as though they were steadily losing ground in the late 1800s