The supply of coal was crucial to the industrial revolution because coal was cheap and affordable and also it was an excellent source of energy. Coal was the best energy source at the time of the industrial revolution and would allow for machines to be coal powered.
European nations give away land to people willing to settle and work in their colonies, because they have to pay the people to live there, as many of their civilians didn't want to go, for there were no profit in going "Why would we go to an unkonwn place for no profit". The land allowed companies to send settlers there, as people went there to farm or get rich quickly
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The answer is A. The freedmen's bureau was created to help former slaves. They didn't help out the whites. They helped blacks only. As for B, if your curious as to what organization did that, it was called the Freedmen's School. :)