Help, pleasee How did the flooding of the Nile River affect the ancient Egyptian economy?

It caused economic disaster.
It cut Egypt off from foreign trade.
It allowed people to transport goods.
It connected Mediterranean trade routes.

What has been a long term effect on the panama canal

How did the magna carta affect the power of the english king? a) it closely linked the king's power to the power of the nobles. b) it weakened the king's power. c) it strengthened the king's power. d) it had no effect on the king's power.

Many blacks moved from the south to northern cities during world war li looking for employment. after the war, a number of them lost their jobs. why did this happen?