I believe the answer is <u>B, it is Oklahoma's second largest city.</u>
Explanation:
Tulsa is the second-largest city in the state of Oklahoma and 45th-most populous city in the United States. As of July 2018, the population was 403,035, an increase of 11,129 since the 2010 Census.
Use of steam to run factories. Before this factories could only be used by streams so they were only in the north when they started to use steam they could be everywhere thus spreading. <span />