Coal, I think that's right it seems to be the only one that makes sense
The reason why historians use the term “Middle Ages" is because this timer period took place between the fall of the western Roman Empire and the Renaissance--which were two major, innovative periods of history, whereas not much happened in the Middle Ages relative to them. <span><span>
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B. The Wright brothers . . .

Northerners responded in many different ways to the Fugitive Slave Act, but the best option from the list would be "<span>A. Some northern states enacted legislation opposing it" was one of the major tensions leading up to the war. </span>