What does debt show us in the national 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.

What do the discoveries of shells used in jewelry and a huge dredged canal tell us about the indus valley civilization?

How w.e.b. dubois wanted to improve the social and economic situation that existed for african americans during the early 19th century?