Can someone me with these questions hurry

1. This timeline covers about 6,000 years

2. About 3,000 years

3. The Neolithic Revolution

4. The plow was invented around 4,000 B.C.

5. Put an X on "Cattle were domesticated between 10,000 and 7,000 B.C., and "Before 9,000 B.C., people did not grow their own food

Explanation:

answer; by working independently, the states have a high likelihood of developing innovative solutions that can be employed in other states;

answer is b.shrapnel