4pts how were the civilizations of the huang river valley and the nile river valley similar? (4 points) both arose in desert regions. both began around 4000 bce. both were ruled by dynasties. both failed to develop a writing system.

Explanation:

In this civilizations power passed with one line then onto the next. A dynasty ruled until it was toppled or there were no heirs left to rule. Every kingdom ended in disturbance either after a time of infighting or infighting to being attacked.

the first two years of american revolution was not very encouraging for the patriots since the british were far superior in sea power, arms and troops.