Why was civil service reform needed in the late 1800’s?

Why did united starr’s fail to join the league of nations? a-great britain and france would not allow the united states to join the organization. b-woodrow wilson and his opponents refused to compromise on the wording of the treaty of versailles. c-americans preferred to join a military alliance with britain instead. d-senator henry cabot lodge failed to persuade enough senators that the league would benefit the united states?