Will mark Why did the power of chiefs decline? A Their groups adopted new power structures.
B Their groups wanted European leaders.
C Their groups separated and scattered.
D Their groups overthrew them.
First right answer gets Brainliest

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

i am not 100% positive but i think it is is b. both are non-partisan jobs

i am pretty sure that members of congress have term limits, can be impeached, and are nominated through direct popular vote.

john maynard keynes developed new economic theories in response to the : b) great depression of the 1930s. his theories are so important that they are known as "keynesianism". in his works he supports the idea of a government with deeper involvement and intervention to end the great depression.