President Woodrow Wilson made a dreadful mistake in 1918 when he disregarded military advice and the wishes of the American people and forced the allies to accept a conditional peace, rather than insisting on the German army's unconditional surrender. The Allies were too weak to enforce the Versailles Treaty and soon became open to German propaganda that it was onerous and unfair. Yet newly uncovered statistics reveal that by 1925 Germany's economy was stronger than before the Great War. The German people voted for democracy and a pacifist agenda in 1928. Yet Alfred Hugenberg, Chairman of the...