The answer is: A. Original Jurisdiction.
The fact that the leaders of the Argentina kidnapped, ignored, threatened, and deported them best describe what the military leaders in Argentina did to the people who are willing and has the guts to disagree to whatever their policies are.
Answer:
Gold rush and mining opportunities (silver in Nevada) The opportunity to work in the cattle industry; to be a “cowboy” Faster travel to the West by railroad; availability of supplies due to the railroad. The opportunity to own land cheaply under the Homestead Act.
Explanation: