The Nubians rule for half a century. Hope this helps
Please make brainly-est<span />
Answer:
The answer would be A but I am so sorry if it's wrong
I believe the answer would be cotton gin because the invention of the cotton gin was able to become more efficient in harvesting cotton.
The States are allowed to find solution and make a decision about the issue. There are equal powers with the Federal and States therefore, the issue can be debated. Since federal powers are superior, the Constitution makes the decision. The national government shall create specific rules for each of the States.
<span>The correct answer is C-railroads made resources and products easier to transport. People could transport their products much faster across the land which was important because for example you could transport food or produce before it gets spoiled which was not a possiblity before because it travelled slowly.</span>