 Here Beaverbrook clashed with Ernest Bevin who, as Minister of Labour and National Service, refused to let Beaverbrook take over any of his responsibilities.In February 1942, Beaverbrook became Minister of War Production and again clashed with Bevin, this time over shipbuilding.In the face of Bevin's refusal to work with him, Beaverbrook resigned after only twelve days in the post.