Britain and France then forced the Czechoslovak government to cede the Sudetenland to Germany on 21 September. The Munich Agreement (signed September 29 by Britain, France, Germany and Italy and negotiated without Czechoslovak participation) only confirmed the decision and the negotiated details. Under pressure from its Western allies, the Czechoslovak government was forced to accept the Munich Agreement ceding a German-defined maximalist extension of Sudetenland to Germany including among other things the Škoda Works near Pilsen, Czechoslovakia's primary armaments factory.