Yeah...I know that they're not our problem but the Christian in me felt it was better to send them 90 miles away and civilize them than to make the perilous voyage all the way back to Africa. There wouldn't have been a Castro or Cuban Missile Crisis either.
I understand your point.
I wish I had a DeLorean with a flux capacitor…
First slave trader heading to America gets killed, the remainder come see the future.
Homogeneous societies thrive, and still have issues.
America is becoming Balkanized.