Many people were mining for gold, silver, and oil during the 1800s to gain wealth and fame. So there were definitely many miners during the 1800s. Many people needed to put their valuables in banks. So there were also a lot of bankers, doctors, lawyers, ministers, and many other "White Collar" jobs.
Answer:
To regulate railroads to ensure fair rates and end rate discrimination.
The steam engine made it so that products could be transported much faster over longer distances. This meant that certain things could be produced much faster.
As the war dragged on, the Union's advantages in factories, railroads, and manpower put the Confederacy at a great disadvantage.
The correct answer should be Bahrain.
That is because Bahrain is not one of the birthplaces of civilization, the Dilmun country is, which is located on what is nowadays known as Bahrain.