How were the civilizations of the Huang River valley and the Nile River valley similar? (4 points) a
Both began around 4000 BCE.

b
Both arose in desert regions.

c
Both failed to develop a writing system.

d
Both were ruled by dynasties.

D. Both were ruled by dynasties

Explanation:

I just did the test brother, I feel you.

all freedom fighters demanded for constitution. so british finally granted india it's freedom. then a constituent assembly was formed. it's chair man was rajendra prasad and its deputy chairman was dr. br ambedkar.

this assembly take the time of about one year than our constitution was finally formed.

explanation:

answer; the president uses mass media to gain support for policies;