Answer:
c. by increasing the demand for more slaves to plant and harvest more cotton
Explanation:
While the cotton gin helped in reducing the amount of work needed in removing seeds, it actually increased the need for slaves to plant and harvest the cotton and the need for land.
Irrigation systems gave them water and controlled the floods of the rivers. without the irrigation systems the floods would have been detrimental to their societies. they collected water which they could use for farming and for the first time, there was a surplus of crops. the crops gave them food and also things to trade which helped their economy.
It seems that you have missed the necessary options for this, but anyway, as I searched for it, here is the answer. What is so unique about the north american midwest that results in having more tornadoes than anywhere in the world is that the northward movement of warm moist air from the gulf of Mexico; the southward movement of dry cold air from Canada; and the lack of mountains preventing the convergence warm gulf air with cold Canadian air. Hope this answers your question.
Cozy, brick building, round building,
The reason why the whites in mississippi are are afraid of african american to gain voting rights because this means that they all have the power over the law in which means they could get the freedom that they want and the right that they can get and by that, they will stand equal among the white people.
