The answer is D (country 5 which is Indonesia)
..........................d.......
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:
B because we lost so many soldiers we didnt want to get involved in something we didnt have to