In the text, you read this about George H. W. Bush's presidency:

Reagan's Vice President, George H. W. Bush, won a big victory in 1988. Bush vowed to continue Reagan's economic policies. "Read my lips," he pledged during the campaign. "No new taxes."

What problem made it difficult for President Bush to fulfill the campaign promise quoted in the excerpt?

A. Downsizing in business led to high unemployment.
B. Tensions with the Soviet Union grew and defense costs rose.
C. Deregulation led to a savings and loan crisis.
D. It was politically difficult to find government programs to cut and the deficit remained high.