Answer: Canal construction.
Explanation:
Canal construction was the primary irrigation mechanism used in ancient Mesopotamia. The entire community participated in the development of these channels. Canals were built up to twenty meters wide, and they were connected to hundreds of smaller canals. In this way, the first forms of agriculture were created. With the canal's construction, the inhabitants of ancient Mesopotamia controlled irrigation, but they also brought water to areas that did not have enough water.
<span>The correct answer is South, more precisely, states that later became the confederation. They lived there because the southern states supported slavery and had huge plantations of things like cotton and tobacco and they needed workers so they bought slaves from Africa. There was no need to have many of them in the North because it was mostly already developed and its economy relied on services more than on agriculture.</span>
The correct answer to the question above would be the event horizon. The event horizon is the area beyond a black hole, where the black hole has stopped expanding and matter will no long be pulled in.
Explanation:
the railroad is thought to help as many as seventy thousand individuals though estimations vary from 40000 to 100000 Escape From Slavery in the Years between 1800 and 1865 even without the journey was grueling
Reducing tariffs on imported goods to lower prices