Nicholas realizes he is powerless thus giving up his throne after realizing he had no power on his troops when it came to fighting other Russians.
Russia lost all will to fight after losing over 2 million people and having no good leaders.
caused many revolutions.
Russia was beat by Japan, and Russia was left with no good leaders
Lenin sent back to Russia as hopes to disrupt Russia, but him and his followers take power in 1917
Workers led food riots all through Russia and when soldiers resisted orders to fire from Nicholas ii he stepped down from his throne.
civil wars in Russia red army(communists) fought the white forces and lost the czar and his family in April, 1918