Perhaps it would result in a more complete picture if you asked Grok for a timeline of slavery in North America. Prior to 1803, British and French colonial policies covered two different portions of the continent.
Grok avoids that discussion unless prompted, but then the prompt looks ridiculous even if it is ultimately correct.
As to the continental portions I agree in the aggregate.
I have said the U.S. inherited slavery from the British Empire just as now; with regard to land and the 1803 purchase; inherited from France.
These are simple facts. But it drives the Europhiles out of their minds. Strange since this is supposed to be FreeRepublic and I had once believed we were all Americanophiles here.
https://www.merriam-webster.com/dictionary/Americanophile
https://en.wiktionary.org/wiki/Americophile
https://www.dictionary.com/browse/europhile