NII- made no major change to the structure of government at first
NII- introduced the October manifesto in 1905 which seemingly created change with the introduction of a law making Duma, elected by male universal suffrage and formation of political parties like the Octobrists and Kadeta
NII- was forced to make change due to the unrest from the Russian Revolution 1905, persuaded by Sergei Witte
Introduction of the fundamental laws in April 1906 limited the impact of the October Manifesto, as it asserted the Tsar's power over the Duma
Under the fundamental laws, the Tsar could dissolve the Duma at any point and had the power to appoint ministers in the council
The 1st and 2nd electoral reduced the impact of peasant and worker votes, allowing upper and middle classes to dominate