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On June 27, 1950, after the outbreak of fighting in Korea, Truman ordered the U.S. Navy's Seventh Fleet into the Taiwan Strait to prevent further conflict between the communist government on the China mainland and the Republic of China (ROC) on Taiwan.[231][232]
Truman usually worked well with his top staff – the exceptions were Israel in 1948 and Spain in 1945–1950. Truman was a very strong opponent of Francisco Franco, the right-wing dictator of Spain. He withdrew the American ambassador (but diplomatic relations were not formally broken), kept Spain out of the UN, and rejected any Marshall Plan financial aid to Spain. However, as the Cold War escalated, support for Spain was strong in Congress, the Pentagon, the business community and other influential elements especially Catholics and cotton growers.
Liberal opposition to Spain had faded after the Wallace element broke with the Democratic Party in 1948; the CIO became passive on the issue. As Secretary of State Acheson increased his pressure on Truman, the president stood alone in his administration as his own top appointees wanted to normalize relations. When China entered the Korean War and pushed American forces back, the argument for allies became irresistible. 