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.
Answer:
railroads made resources and products easier to transport. The US government gave land to the railroads to help them expand. … Trains from different rail lines could use each other's tracks.
Explanation:
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Answer:
The men who died in battle were brave and honorable.
Explanation:
just took the test its right