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.
What are the answer choices my friend
In many ways racism was still prominent within the United States after the civil war. Many laws were set in place to keep African Americans below white Americans. These were known as the Jim Crow laws. Even after the Jim Crow laws were removed segregation and civil rights issues were common until the 1960’s.
Answer:
B Withdraw from arms limitation talks with the Soviet Union
Explanation: