> The US is somewhat unique in having a large population that was ripped from their respective home countries and forced to create their own shared culture under the thumb of slavery.

Unique?

"Between 1502 and 1866, of the 11.2 million Africans taken, only 388,000 arrived in North America, while the rest went to Brazil, the European colonies in the Caribbean and Spanish territories in Central and South America, in that order"

https://en.wikipedia.org/wiki/Slavery_in_Latin_America