A, B, and C. Mesopotamia was in the middle of a desert, and the only reason it was farmable was because it lay between the Tigris and Euphrates rivers which flooded yearly to water the ground.
Answer:
The bracero program (from the Spanish term bracero, meaning "manual laborer" or "one who works using his arms") was a series of laws and diplomatic agreements, initiated on August 4, 1942, when the United States signed the Mexican Farm Labor Agreement with Mexico
Explanation:
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they had to follow their source of food which is also why they crossed the land bridge they follow their prey
