He believed it was necessary to have cooperation and support from the international community:
"...not only do we seek the terrorists, but we also hold the governments that harbor them and feed them and house them and hide them, accountable for their behavior as well
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.
Portugal with arrival of Columbus in 1492
The main motive for imperialism was to obtain and control a supply of raw materials for industries. This meant that a weaker country with abundant natural resources would be colonised. Imperialists were often brutal in the way they treated the indigenous population
I believe the correct answer is the third one.