If you used e.g. “black”, “colored” and “African-American”, then it’d be about connotations.
Well… I’m pretty sure a dark-skinned Nigerian who has never been to America and has no recent American ancestors would count as black but not as African-American.
Well… I’m pretty sure a dark-skinned Nigerian who has never been to America and has no recent American ancestors would count as black but not as African-American.