Canada has lot's of immigrants from all over the world. Caucasians, Arabs, Africans, Asians, ...
The Mediterranean Sea separated the Greek islands. These islands grew into separate city-states as they were separated by the sea.
The hills and mountains in Greece separated the individual city-states. These cities were separated by these hills and mountains, which led to them developing into different city-states.
C.
Collusion is legal in the United States, but cartels are not.
The whip is the person responsible for organizing the voters of the party.