How did the invention of the Mimie ball impact the fighting and number of casualties (a person that cannot fight anymore) during the Civil War? How does the number of casualties compare with other American wars?

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 historians call the political,social,or cultural circumstances surrounding an event?

According to article 2, what was george washington's major concern about the rebellion in massachusetts?