On April 28, 1922, the first direct war broke out. Direct Army General Commander Wu Pefor in 1920, after the direct war, direct and direct military valves jointly controlled the Beijing regime. Directly replaced the army, reflecting the expansion of British and American imperialism in China and the defeat of Japanese imperialism in China; Japan reluctantly failed to defeat, set up a commander-in-chief, and prompted the army officers to launch a general offensive, the first direct war broke out. Directly in the Cabinet, to the Montgomery issue raised by the Washington Conference, the two sides contradicted sharply, leading to the breakdown of relations. On April 28, 1922, Zhang Zhang became the commander-in-chief, set up the commander-in-chief, and