When was the agricultural revoloution

around 10,000 B.C.

Historians have often labeled the first Agricultural Revolution (which took place around 10,000 B.C.) as the period of transition from a hunting-and-gathering society to one based on stationary farming.

answer: the ocean

explanation: if you map out 30 n and 40 n latitude, you will get the ocean

according to worldatlas.com, the u.s. has an 86% literacy rate.