 Under cover of its association with the Eighth Route Army, Zhou used the Yangtze Bureau to conduct clandestine operations within southern China, secretly recruiting Communist operatives and establishing Party structures throughout KMT-controlled areas.In August 1937, the CCP secretly issued orders to Zhou that his united front work was to focus on Communist infiltration and organization at all levels of the government and society.Zhou agreed to these orders, and applied his considerable organizational talents to completing them.