After the Revolution of 1905 in Russia

After the Revolution of 1905 in Russia,

A) the tsar's powers of appointment and decision-making were curtailed.
B) the government tried to strengthen the village-communal system of agriculture in order to improve conditions of the peasants.
C) workers were granted new rights to welfare and participation.
D) Russia at last adopted the Western model of representative assemblies and political parties.
E) All these answers are correct.