Bourbon Spain, British empire, and kingdom of Portugal
DURING RECONSTRUCTION, African Americans had the right to vote! Yay! (B is incorrect.) Due to the sheer numbers of African American voters, African Americans often won political office throughout the South--a big change from before! A is correct!! Keep in mind that while African Americans were elected in the North, the question asks about African Americans in the SOUTH (C is incorrect). Also, minimum wage didn't exist in the United States at the time (D is incorrect).
Answer: A
A). Region's rich soil and long growing season, fostered the development of strong agricultural producing colonies.
Because during that time railroad company's would monopolies on farmers and the act required them to have a reasonable and just cost to use railroads. Hope this helps.
C. Missouri
In fact, the Oregon Trail began in Missouri.