在红军从内战到抗战战略转变的过程中 ,时为中共最高负责人的张闻天率先提出和深入研究阐述了持久抗战理论 ,并带领中共领导集体积极谋划持久战策略的组织和实施。这一系列工作推动了转变的最终完成 ,实现了红军的巨大发展 ,为抗日战争的胜利作出了杰出贡献 In the process of the Red Army’s transition from a civil war to a war of resistance against Japan, Zhang Wentian, the chief of the CPC, first put forward and studied in depth the theory of a protracted war of resistance and led the leadership collective of the CPC in actively planning the organization and implementation of a protracted war strategy. This series of work contributed to the final accomplishment of the transformation, realized tremendous development of the Red Army and made outstanding contributions to the victory of the Anti-Japanese War