I believe the answer is C. "northwest of the Persian Gulf"
Answer:
The Northern free states also were proved to produce more crops than the South, even with the North having considerably smaller labor force than the South's slave industry. ... The North's increased crops is most likely due to the recent invention of many farming machines that the South did invent and utilize.
Answer: C. It created ” separate but equal” segregation
Theodore Roosevelt was one of the influential leaders of the progressive.
