x1=b1=k1 is North America and South America;
x1 is Pan-American; x1 pertains to the Americas or reflects nationality/culture/geography thereof in property x2=b2=k2.
x1, in aspect x2, reflects the culture/lifestyle/people of a non-native (immigrant/invading/alien) population/culture x3 which at least partially but significantly and somewhat permanently (having established itself) locally supplanted, displaced, or dominated the indigenous/native culture x4 in region x5 (location)