Why was mesopotamia's location between the tigris and euphrates rivers significant to the development of a civilization?

a) they were close to the ocean, which provided an abundant food source.

b) the rich soil and the proximity to fresh water created a natural area for crop irrigation.

c) the nomadic tribes settled in the area since they had previously covered the entire region.

d) the egyptians had left structures the mesopotamians could use for housing.

What effect did john hay’s open door policy letters have on the imperial powers of britain, france, germany, russia, and japan? a. it provoked the imperial powers to declare war on the united states. b. it caused the imperial powers to restrict trade in their trade with china. c. it warned the imperial powers that the united states would soon declare war on china. d. it signaled to those powers that the united states would take a larger role in world affairs than before.

What was charles townshends development of a crop rotation system important to the industrial revelotion

What was the earliest settlement shown on the map?