Why did the Iberian colonies in South America emerge as more ethnically diverse than the French and English colonies of North America?

AFewer Iberian women migrated to South America than did French and especially English women, forcing the Iberian male migrants to look to other populations for companionship

BThe racist French and English did not want to interact in any way with the indigenous peoples or the enslaved Africans

CThe Iberian colonists were less racist in their attitudes than the English and especially the French

DThe Iberian colonists were more interested in making their fortunes and then returning to Europe than were the French or the English settlers