Answer:
the first one
Explanation:
to ensure individual rights
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.
Hi!
Spain was responsible for introducing livestock and cattle ranching in the south-west.
Have a good day and hope I wasn't too late.
C is the right answer by the way
Answer: B i hope this helps =D