capital and unified the country under communist rule. 2. Which US President signed the Medicare and Medicaid programs into law in 1965? A. Lyndon B. Johnson B. Richard Nixon C. John F. Kennedy D. Gerald Ford Answer: A. Lyndon B. Johnson Rationale: President Lyndon B. Johnson signed the Medicare and Medicaid programs into law as part of his Great Society domestic agenda in 1965, providing health insurance for elderly and lowincome Americans. 3. Which foreign policy initiative did President Nixon pursue to improve relations with the Soviet Union and China in the 1970s? A. SALT agreements B. Détente C. Ping Pong Diplomacy D. Strategic Arms Reduction Treaty Answer: B. Détente Rationale: Détente was a foreign policy initiative pursued by President Nixon in the 1970s to improve relations with the Soviet Union and China through negotiations, arms control agreements,