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.
If you mean the United States, the answer is non of the above.
If you mean the United States Citizens, the answer is A, B, and C.
The first diplomatic crisis was between France and The United States.
