Once the initial outburst of national unity feelings died down in mid-1915 as Russian retreat from Galicia showed the government's incompetence, the Kadets, together with the Progressive faction, the Octobrist faction and a part of the Nationalist faction in the Duma, formed the Progressive Bloc in August 1915 which was critical of the government's prosecution of the war and demanded a government of "popular confidence". As Russia's defeats in the war multiplied, the Kadets' opposition became more pronounced, culminating in Miliukov's speech in the Duma in October 1916 when he all but accused government ministers of treason.