Who does MLK jr acknowledge in his opening sentence?

How does the process of constructing a historical narrative differ from the process of creating a timeline

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.

Define”to walk with a large group of people who are supporting something”