Since at Least the Civil War, the United States Has

Since at least the Civil War, the United States has had ____________ major parties; including ______________.

A) two; the Republican and Democratic parties
B) mainly two but sometimes three; the Republican Party, the Democratic Party, and an independent or third party
C) mainly two; the Republicans and Democratic, or Whig and Democratic parties
D) three; the Democratic, Whig, and Republican parties