Question 7 of 20
2 points
which of the following best summarizes a cause for the development of river
valley civilizations?
o
a. the development and refinement of warfare strategy and tactics
o
b. the diffusion of major religions, such as christianity, hinduism,
and islam
o
c. the invention of techniques for planting crops and herding
animals
o
d. the spread of hunting-gathering practices across africa, asia, and
europe
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