The correct answer is B.
The development of cheap iron in the US was the major factor that lead to the building of skyscrapers. Being able to produce iron cheaply can be contributed to Andrew Carnegie. This American business mogul perfected the Bessemer process in several factories across the eastern part of the US. From there, he was able to sell cheap iron to American businesses for the purpose of growing their empire.
<span>A) granting the colonies independence
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B most likely I learned this yesterday but forgot I think its correct but we have Google for these questions
Initially, McClellan was trusted a military leader. He was able to successful train and equip the US military against the Confederacy. His planning proved to be detailed however, his perfectionist qualities made him slow to move and often without the aggression needed to fight the Confederacy. His plan was, theoretically, a good one in which troops would move east and come at Virginia from the water. This attack was aimed right at Richmond and if successful would have ended the war.