You don't need to go to other countries to play your fears, lest we forget our constitution is a pro-slavery document and one of the first acts of congress was

You don't need to go to other countries to play your fears, lest we forget our constitution is a pro-slavery document and one of the first acts of congress was the fugitive slave laws. I think it's more effective to stick to our own history because this country has always been a struggle for workers outside of a small very respite after WW2 that has been actively fought against and weakened since.