Why did the ancient Egyptians build dams and channels? to defend settlements from invasion
to make it easier to sail up the Nile
to better control flooding from the Nile
to enable people to cross the Nile to trade

To better control flooding from the Nile is the answer.

harding's opponent in the 1920 election was ohio governor and newspaperman james m. cox, who had won the democratic nomination in a 44-ballot convention battle. harding rejected the progressive ideology of the wilson administration in favor of the laissez-faire approach of the mckinley administration.

answer: to communicate with people on the other side.

explanation: