Unlike a primary source, a secondary source can be?

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’s the term used for a lawyer who argues for the convection for a defendant in a criminal case?

In what way did expansion and global trade during the 15th to 18th centuries affect the economies of european countries?