In March 1948, the People's Liberation Army (PLA), which had already established a foothold in Northeast China under the leadership of Lin Biao, had grown to nearly 500,000 troops. Mao Zedong, Zhou Enlai, Ren Bishi, and others left Northwest China and arrived in Hebei to meet with Liu Shaoqi, Zhu De, and others. They discussed the current situation, and Mao and Zhu timely grasped the opportunity for a strategic decisive battle. They ordered the Northeast Field Army to march southward to Beining, launch a strong attack on Jinzhou, and cut off the retreat route of the Northeast Nationalist forces led by Wei Lihuang to North China. Lin Biao, aiming to ensure success, proposed attacking Changchun first to annihilate the enemy reinforcements from Shenyang by surrounding and attacking them. After Mao Zedong did much work multiple times, in July 1948...