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.
Many Latin America countries are slowly forming democratic governments, as aid to communist groups has disappeared with the collapse of the Soviet Union.
At the time the French Revolution the population of st do movie included Frenchmen creoles free colluded and slaves .
B) imports
The Townsend acts taxed imports, such as tea, they wanted to receive revenue from colonists.
