Where all enslaved people freed by this proclamation?

What is zinn's approach to the study of history? what does he suggest occurs when history is told is the story of human progress?

The chinese exclusion act was the first significant law restricting immigration into the united states. why do you think the us government singled out chinese immigrants in particular for exclusion?

Which man believed that african americans should actively fight for the rights they deserve, even if they put their lives in danger?