Answer:
When the snow melts on the mountain ranges it sent a torrent of water causing the banks of River Nile to flood.
Explanation:
The river Nile floods the flat land in Egypt . The floods are controlled by Aswan dam.
The River Nile is the longest river of the world. Only 22% of it passes through Egypt.
The Enforcement Act of 1870 basically made illegal the voting discrimination that existed on the basis of race. It made illegal the opposition of some government officials to integrate former slaves, mainly African-American in the social and political life.
The invention of the Bessemer Process.
The Precambrian eon is separated from the Phanerozoic eon in the fossil record because of poorer record of fossils than that of the succeeding Phanerozoic eon.This is because many Precambrian rocks have been heavily metamorphosed,obscuring their origins,while others have been destroyed by erosion,or remain deeply buried beneath Phanerozoic strata.The Phanerozoic Eon covers 541 years to the present while Precambrian Eon covers 4.6 billion years.