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alternatehistory.com
1.) The Cold War: By engaging in conflict with the SU meant competing for many of the ex-colonies, where segregation was now a huge liability.
2.) The invention of the Cotton Picker: By inventing the Cotton Picker, suddenly the need for a mass of cheap black labour was no longer needed meaning the economic need for Jim Crow was redundant.
3.) The TV becoming a part of every living room: After the spread of the TV meant much of the abuses of Jim Crow was more exposed outside of the South and made the general Public much more hostile towards Jim Crow.
But which do you think was the most critical? Or do you think there was another factor?
Also do you think all of these factors were necessary to end it? Or do you simply think your chosen factor would of been enough to end it?