Which of the Following Helps Explain the Difficulty in Solving

Which of the following helps explain the difficulty in solving the long-term debt problem in the United States?

A) The decline in the strength of American political parties in recent years has made compromise in this area highly unlikely.
B) The decline in social spending has reduced the level of economic growth in the United States.
C) The Democratic Party has been captured by special interest groups that benefit from high levels of debt.
D) The rise of extreme partisanship in recent years has made compromise in this area highly unlikely.