Chamberlain and Halifax had to ask: If they fed this tiger, would it turn on them and devour them? Perhaps Britain should have killed the cub. But that issue was now academic, for the opportunity had passed in the time of MacDonald and Baldwin. “The watershed between the two world wars extended over precisely two years,” writes Taylor. “Post-war ended when Germany reoccupied the Rhineland on March 7, 1936; prewar began when she annexed Austria on March 13, 1938.”