I am not sure what exactly you want to receive as an answer but Ill give 2 examples.
After the rise of the Third Reich Jewish people were forced to migrate from Germany to neighboring countries and a lot of them in fact fled to United States including the famous scientist Albert Einstein.
The other example is the forced migration of Native Americans during the settlement and colonization by the American Colonies as they were trying to go farther down the continent.
They tried, convicted, and executed the king. It was created to deal with threats to France. get rid of any traces of the old social order so they took nobles' lands and got rid of their titles.
1.warts and all
I'm still trying to figure out number two
I think the main issue was not to approve <span>Emancipation Proclamation, which made all the slaves in the south were free. I'm not sure about this answer </span>