The answer is "b. Republican".
The Republican Party is one of the two noteworthy contemporary political gatherings of the United States. It is frequently alluded to as the Grand Old Party or the GOP. The party's principle partner is the Democratic Party. The Grand Old Party epithet, which had recently been utilized by Southern Democrats, was connected to the Republican Party following the 1888 race cycle. At the time, Republicans had recaptured control of the administration and Congress out of the blue since the Grant organization.