Why did Tsarism survive the revolution of 1905 but not that of March 1917?

1905-red, 1917-green

• armed forces- a majority of the armed forces remained loyal to the Tsar despite some mutinies. This meant that the disturbances were crushed and the army arrested thousands of revolutionaries. Many of the leaders were executed or exiled, such as Trotsky and Lenin. On the 25th February, Cossack troops refused to fire on the demonstrators. This was a significant sign that government authority had begun to break down, the army was deserting the government. The Petrograd garrison also mutinied, joined the protestors and began…