The Domestication of the Dog

The domestication of the dog

A) ensured, worldwide, that all early states had strong enough animals to help plow fields.
B) likely occurred in two phases, the first beginning in China.
C) occurred only in the Eastern Hemisphere.
D) occurred only after a key mutation that turned dogs into more docile creatures.
E) illustrates the strong human-animal bond that was an important adaptation during the time of early hominin evolution.