Ebbie, they wanted Prussia back, the Sudetenland, the German-speaking parts of Poland, and Austria. There were people living there who didn't want to become part of Greater Germany! In fact, Chamberlain gave them most of those things in an attempt to pacify Hitler. Hitler just continued to up the ante. Britain stood by and watched the blitzkreig roll over its own ally, Poland, in hopes that Germany would be satisfied.

In a relationship where one nation seeks peace and the other seeks domination, the continuing effort by the peaceful nation becomes appeasement.