How were egyptian farmers able to produce enough food to create a surplus?

They build walls to trap the flood. This made a greater farm production.

One way Egyptian farmers were able to produce enough food to creat a surplus is by building walls to trap the flood so it could have a sufficient amount to make a greater farm production to not use alot of water and to not use a bit of water.

- three-quarters or two-thirds..

- "the constitution provides that an amendment may be proposed either by the congress with a two-thirds majority vote in both the house of representatives and the senate or by a constitutional convention called for by two-thirds of the state legislatures."

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