Three times premier and minister of war, he signed the Munich pact with British prime minister Chamberlain which gave Hitler posession of the Sudetenland.
To paraphrase the English wit, Samuel Johnson, who described second marriages as "the triumph of hope over experience, " it was absolutely predictable that prohibitions imposed by the 1972 Biological Weapons Convention and the 1989 Chemical Weapons Convention would be no more successful in creating universally binding international "norms" than was the 1928 Kellogg-Briand Pact, which was supposed to ban all war.