 Complete the following phrase:  In the same year, the September 18 Incident provided for the Japanese a pretext of invading China. Chiang regarded the Chinese Communist Party CCP as his archrival and placed priority on the suppression of CCP forces, rather than the Japanese. Chiang thus ordered He to Northern China to negotiate compromises with the Japanese, as he was known to be on friendly terms with some of their leaders. In 1933, Japanese armies 