Why Was the Bitter Political Partisanship in Washington, D

Why was the bitter political partisanship in Washington, D.C., in the 1990s so unexpected?

A) Republicans had denounced Reagan's new conservatism and returned to the more moderate brand of Gerald Ford and Nelson Rockefeller.
B) The tensions in foreign affairs had reinforced a sense of national solidarity in both major parties.
C) The economic crisis of the decade had convinced Republicans and Democrats that they needed to join forces for an effective political response.
D) The new president, Bill Clinton, was moving clearly toward the political center.