Lists four ways that the egyptians gained wealth and land during the middle kingdom

The four ways that the Egyptians gained wealth and land during the Middle Kingdom:

Egyptians got acres of land to increase production, more supply of water by building channels, built canal for faster trade, forced payment from people who had been enslaved.

There were many ways with which the people of Egypt had gained wealth and land and other assets during the time of middle kingdom. Those ways were:

1) Added thousand acres of land to their kingdom where they can increase the farm production.

2) Channels were built for increasing the supply of water for the people.

3) Canal was built to make trade faster.

4) They made the people do forced payment whom their army had conquered.

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increases in demand are shown by a shift to the right in the demand curve. this could be caused by a number of factors, including a rise in income, a rise in the price of a substitute or a fall in the price of a complement.

which the answer is:

b