Complex sentence: Since the money was meant to be used to help all the Chinese, they both stayed with General Chiang Kai-shek and Madame Chiang and also visited the Communist "Liberated Areas" in Yenan, where Peggy met Chou En Lai and Madame Mao.
Split into simpler sentences: Since the money was meant to be used to help all the Chinese, they both stayed with General and Madame Chiang Kai-shek. She visited the Communist "Liberated Areas" in Yenan, where Peggy met Chou En Lai and Madame Mao.