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:
Priests were the instigating factor to why ordinary people of Hindu religion became indulged severely in a devotional path. Hindu priests through their extended knowledge of the literature, the Bhagavad Gita and the Ramayana were able to encourage the Hindu community's devotion to Hindu deities.
I do believe that, after research, it is C, Coltan.
Correct me if I am wrong, but do have a good day!
The correct answer is A.
The origins of McCarthyism lie in a speech given by Joe McCarthy in Wheel West Virginia in 1950. In this speech he claimed to have a list of 207 names of individuals working for the US government that were communist or had ties to the Soviet Union. This claim shook the nation, as it increased a sense of paranoia and fear that the American government may be filled with communists.