Question

how did early migrants sustain themselves during their journey across the bering land bridge? by farming crops along the way by following and hunting animals by trading with neighboring tribes

Explanation:

Early migrants crossing the Bering Land Bridge were nomadic hunter-gatherers. The region supported large ice age megafauna, which they followed and hunted for food, as farming was not practiced in this context, and organized trade with neighboring tribes did not exist for these migrating groups.

Answer:

B. by following and hunting animals