Which country has/had a strong mixed economy?

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.

Many young people traveled by train out of the midwest in search of new opportunities during the 1930s. what term is used to describe their actions

Why is it important that dr. luther king jr. use non-violent protest to create social change?