They tried to control the floodings of the Nile by building an irrigation system: canals, gates. They became aware of the fact that the silt left by the river made the soil fertile and they could get a big harvest.
Build dams, dig out river banks, build levy banks, pump from river to catchments
i dont know you sould
nile river
to stop the water from flooding
A dam
To generate electricity, controle the river flooding and for agriculture.
They built a canal.
On the west bank of the Nile
The outside and always on the west bank of the River Nile
Not OK for you. Only the government can build dams on rivers. Whether or not a dam is good idea in a particular place is a question that requires study. Blocking the river one place may cause flooding somewhere else. There is also navigation on the river to consider and fish that use the river.
They were farming
The Egytians grew around the nile