사토 에이사쿠
The price of these concessions by the United States was staunch support by Japan of the ongoing Vietnam War and U.S. policy of no official relations with Communist China. Adherence to these policies led to frictions within Japan, and protest movements such as the anti-Vietnam War protests organized by groups such as Beheiren. But these frictions proved manageable thanks to the political capital Japanese Prime Minister Eisaku Satō and Japan's ruling conservatives gained by successfully negotiating Okinawan Reversion.