Which of these geographic factors contributed to the decline of sumer?
it was located on the persian gulf.
the tigris and euphrates rivers flooded every year, leaving behind dark, fertile soil.
sumer was located on a flat plain that provided no natural barriers to invasion.
mountains made agriculture difficult.

the cultivated soil had poor drainage, grain fields of one city-state bordered those of another which caused territorial wars. irrigation of the crops led to salty soil.there was lack of natural barriers that could discourage attack

i would say c.

hope this xddd

john f. kennedy purpose was to make his argument a strong appeal to emotion in order to make an impact and connection to american citizens. he want to achieve peace by telling the citizens they shouldn't be afraid of other nations.

explanation:

i believe he was the 5th king of uruk. so c