It increased their chances of meeting other groups as they traveled from place to place.
Answer:
Who brought the first human civilization?
Early civilizations arose first in Lower Mesopotamia (3000 BCE), followed by Egyptian civilization along the Nile River (3000 BCE), the Harappan civilization in the Indus River Valley (in present-day India and Pakistan; 2500 BCE), and Chinese civilization along the Yellow and Yangtze Rivers (2200 BCE).
Answer:
d
Explanation:
There is no way I can explain it I read the passage and gave an obvious answer.
They are: Develop hydro power. Develop the old and traditional agricultural system with new one.
Answer:
A, C, and E all seem like challenges to me
Explanation:
