sentences:  Balfour had endorsed cautious protectionism soon after Chamberlain's resignation, but was unwilling to go further or to announce an early general election, by-election results being comprehensively unfavourable for the Unionists.While Chamberlain toured the country, the Shadow Chancellor of the Exchequer, Liberal H. H. Asquith stalked him by preaching the virtues of Free Trade in the same venues in which Chamberlain had appeared a few evenings before.The campaign for tariff reform had a brief intermission as Chamberlain's health began to fail.