Animal Domestication Was Less Important in the New World Than

Animal domestication was less important in the New World than it was in the Old World because

A) New World peoples did not know how to domesticate animals.
B) Human populations in the New World were quite small, so animal domestication was not necessary.
C) the large-game animals that were hunted during earlier periods either had gone extinct or were not domesticable.
D) wild birds (e.g., turkeys, ducks) already provided enough protein to the diet.
E) New World peoples tried continually to domesticate large animals but were never successful.