Geography Mesopotamians changed their environment to improve life. Rivers support agriculture? Semiarid climate—hot summers, less than 10 inches of annual rainfall. Crops grew in this dry region because of rivers, fertile soil - many farming villages across southern Mesopotamia by 4000 B.C.
Assuming that this is referring to the same list of options that was posted before with this question, <span>the correct response would be "Reconstruction," since this involved a Union military presence in the South. </span>
The U.S. Confederation Congress decided in 1787 that the Northwest Territory would eventually become "new states in the Union," since this was the first time the Us government had ever designated land for such a purpose.