The correct answer is:
B. Decreasing federal spending.
Explanation:
President Ronald Reagan (1911-2004) was the 40th President of the United States, Reagan held office from 1981-1989, where he implemented the supply-side economic program, also known as Reaganomics, that consisted in huge tax reductions; Reagan reduced unemployment and appointed Sandra Day O'Connor to the Supreme Court. But he failed to decrease federal spending; under Reagan's office, government spending increased 2.5 percent annually.