Farming and the domestic of animals in the neolithic revolution was important because-

due to it being greatly narrowed the diversity of foods available

Explanation:

They've created many methods that improved agricultural greatly and their techniques were adopt by others quickly

they killed other men

explanation:

2. a land bridge connected asia and north america thousands of years ago.

4. crossing the land bridge would have been simple for the first migrants.

5. people might have crossed a land bridge while hunting animals.