The answer is D. Contrasts with the Soviet Union developed and in 1959 they moved toward becoming rivals in the global framework offering two unique models of socialism. China was seen by progressive US presidents from Dwight Eisenhower to Lyndon Johnson as a feature of the more extensive 'communist threat'; a view fortified by China's procurement of atomic weapons in 1964. China's contribution in the Korean War (1950– 1953) set Chinese troops specifically against US powers and their partners, bringing about a stalemate that kept on isolating North and South Korea well into the twenty-first century.
Answer:
By measuring the distance of the sun and stars above the horizon, the astrolabe helped determine latitude, an important tool in navigation. Another tool, the magnetic compass, which had been invented in the twelfth century, was improved upon during the Renaissance.
Explanation:
