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:
partisan
Explanation:
this is the correct answer hope it helps
Global Warming
As the climates became warmer, crops would grow more sufficiently & domesticated animals would have a higher chance to survive which increased food supplies and also led to the rise of the industrial revolution.
Answer:
The Columbian Exchange caused population growth in Europe by bringing new crops from the Americas and started Europe's economic shift towards capitalism. Colonization disrupted ecosytems, bringing in new organisms like pigs, while completely eliminating others like beavers.
Explanation:
those are all the tree things you just have to find them
