Civil service reform in the Gilded Age was largely the results of

the gilded age civil reform was caused by the thinning patience of the people as politics of the age became soiled with corruption

Explanation: As early as 1872, civil service reformers gathered to create the Liberal Republican Party in an effort to unseat incumbent President Grant. Led by several midwestern Republican leaders and newspaper editors, this party provided the impetus for other reform-minded Republicans to break free from the party and join the Democratic Party ranks. With newspaper editor Horace Greeley as their candidate, the party called for a “thorough reform of the civil service as one the most pressing necessities” facing the nation. Although easily defeated in the election that followed, the work of the Liberal Republican Party set the stage for an even stronger push for patronage reform.

d) he bring down boss tweed and tammany hall.

this isn't a question and if you're going to list things be kind and use commas.