The French and British were initially reluctant to honor promises to the Polish government, avoiding serious consideration of an invasion of Germany. The British failed to send land forces in time to support the Poles (see [[Western betrayal]]). The French mobilized slowly and then launched a token offensive in the Saar. The Meanwhile, on September 8, the Germans reached Warsaw, having slashed through the Polish defenses. On September 17, the Soviet Union invaded Poland from the East. | The French and British were initially reluctant to honor promises to the Polish government, avoiding serious consideration of an invasion of Germany. The British failed to send land forces in time to support the Poles (see [[Western betrayal]]). The French mobilized slowly and then launched a token offensive in the Saar. The Meanwhile, on September 8, the Germans reached Warsaw, having slashed through the Polish defenses. On September 17, the Soviet Union invaded Poland from the East. |