How were slaves treated and what were the attitudes of whites during the atlantic slave trade?

How did settlers decide where to live ?

Where did harriet to get away from dr.norcom

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.