The homestead act, the mass killing of buffalo, and the completion of the transcontinental railroad are most closely associated with the question 7 options: decline of the plains indians rise of organized labor northern migration of african americans building of the erie canal

. political or economical policy that isolates a country from participating in international relationships. it has been suggested that the united states participates in isolationism because of its lack of involvement in particular wars or alliances.

an interest group is an organization whose members share common concerns, and try to influence government policies that impact those concerns. elected officials frequently complain about the influence of "special interests" on american politics.