How was the development of agriculture instrumental in the success of these civilizations?

To cut the long story short, there were some similarities between ancient Egyptian and Sumerian Civilizations. In term of geography feature, the two arose near the river thank to the agriculture and trade. The people of the both nation were polytheistic and born for serving the gods and goddesses.

The Sumerians and the Egyptians were both great civilizations that flourished in antiquity around the same time and were among the first nomadic groups to settle in the one place '“ the cradle of civilization. ... Ancient Egyptian society had taken shape on the nutrient rich banks of the Nile River.

the allies overtook outlying islands to make access to japan easier.

im sorry i dont know a lot of this but ill try my best

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