What did the great civilizations of mexico south america and central america have in common

Apurging of emotions, specially pity and fear

In some african american communities, unemployment was as high as percent.

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.