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.
Hello There! ^_^
Your question: Japan aimed at conquering the small islands in the Pacific Ocean one by one. This strategy of controlling one small island after another is called..?
Your answer: Japan aimed at conquering the small islands in the Pacific Ocean one by one. This strategy of controlling one small island after another is called Island Hopping.
Hope this helps!
Answer:
the need for labor skyrocketed so they brought slaves from Africa and they started there own slave trade down in the south
Explanation:
