D. They opposed détente.
Conservatives criticized President Ford's foreign policy for being too conciliatory and focused on detente with the Soviet Union, which they saw as a form of appeasement. They believed that the United States should take a more aggressive stance against communism and prioritize military strength and intervention abroad. They also criticized Ford's handling of the Vietnam War, particularly his decision to withdraw American troops and aid in 1975, which they felt was a betrayal of South Vietnam and a setback for American prestige and influence in the world.