Why did prehistoric people need to move from place to place?

a. to obtain food

b. to tend flocks

c. to build villages

The prehistoric people needed to move from place to place to obtain food. The correct option among all the options given in the question is option "a". The prehistoric people did not know the methods of farming and so they could not settle in one place. They mainly hunted animals and gathered fruits for getting their foods. This made them nomadic in nature.