太平洋战争爆发前，美英对华政策是不同的。美国的经济兴起和发展，它在政治上是有条件的支持中国，它所体现的一些基本精神和原则是积极的可贵的，但也有不足之处；而英国丧失经济霸主地位走向相对衰落，它在政治上执行一条不惜一切代价避战的原则，以牺牲中国来乞求日本大发慈悲。 Prior to the outbreak of the Pacific War, the U.S.-British policy toward China was different. The rise and development of the United States economy is politically conditional on its support for China. Some of the basic spirits and principles embodied in the United States are positive and valuable, but there are also some deficiencies. As the United Kingdom loses its economic dominance to relative decline, In politics, he implemented the principle of avoiding the war at all costs and sacrificed China to beg for a great compassion for Japan.