Final answer:
George W. Bush appointed a significant number of African Americans to key positions in his administration, including Clarence Thomas to the Supreme Court.
Step-by-step explanation:
During George W. Bush's administration, he appointed a significant number of African Americans to key positions. One notable appointment was Clarence Thomas, an African American appointed to the Supreme Court by Bush. Although his appointment was controversial due to allegations of sexual harassment, it reflected Bush's efforts to diversify his administration and include African Americans in important roles.