Which statement is most accurate? A. The flooding of the Tigris and Euphrates was the main factor that led to civilization in
Mesopotamia.
B. The melting of snows in the upland mountains was the main factor that led to civilization in
Mesopotamia.
C. Irrigation and drainage ditches were the main factors that led to civilization in Mesopotamia.
D. The flooding of the Tigris and Euphrates and the ability to control flooding were the main factors
that led to civilization in Mesopotamia.

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they required less loading and unloading

explanation:

the shipping container improved shipping because it cut down on unloading time by three weeks, eliminated wasted space, and allowed ships to carry.

although the crusades failed to capture jerusalem, they had several major impacts on western europe. they increased the authority of the king: sometimes nobles died in battle without leaving an heir in which case the king got their land. kings passed taxes to pay for the crusades.