The power gets passed down when the government is overthrown and that person declares themselves a dictator.
charitable donations and inheritances
Answer:
Should Be A.
Explanation:
Because these 2 Rivers flooded it created silted (like soil with rich nutrience) Land, which was used to grow crops, Making great food surpluses. This made These lands more Useful. (Im Very sorry if this is wrong, but i just did this lesson not long ago)
Have a common language and religion