How did these rivers first facilitate the development of early civilizations?
nile
tigris and euphrates
huang he
indus and ganges
a. water sources enable the migration of hunter-gatherers.
b. waterways increased trade among distant peoples.
c. search i'll soil allowed humans to develop agriculture.
d. government were created to control for fertile land.

these civilizations were located around fertile rivers, where they could produce an abundance of crops

letter a is the answer

the han greatly expands the chinese empire. the han dynasty retains the centralized bureaucracy and unified political system of the qin but adopts and grafts upon this the confucian view that government should be run by educated, ethical men.

explanation:

declare war, appoint military officers, sign treaties, make alliances