Rise of Neville Chamberlain in 1914 prevented implementation of his plans in Birmingham. With the outbreak of World War I in August 1914, Chamberlain became deeply involved in the war effort. In addition to his duties as councillor, Chamberlain helped recruit men for the Royal Warwickshire Regiment and set up funds for injured soldiers. Late in 1914, he became an alderman of Birmingham, and the following year, became Lord Mayor. Chamberlain's biographer, Robert Self, suggested that as Joseph Chamberlain had died the previous year, the honour was due to Neville Chamberlain's hard work rather than to any family influence. As a Lord Mayor in
Rise of Neville Chamberlain pleasing and appropriate that Chamberlain could now promote his father's policies, and Sir Austen Chamberlain wrote to his brother in November 1931, "Father's great work will be completed in his children." The tariff issue bitterly divided the Cabinet, and threatened to end the National Government. The Cabinet accepted a proposal by Lord Hailsham, Secretary of State for War, that they agree publicly to disagree, a rare suspension of the doctrine of Cabinet collective responsibility. Chamberlain prepared his tariff bill, which exempted the Dominions pending the Ottawa Conference, set for later that year. On 4 February 1932, he laid it before