Who were the people involved in the russian revolution? and who were the people involved in world war 1

Some people involved in the Russian revolution were the Tsar Nicholas II and the royal family, The Duma (the Imperial Parliament) The Soviet's (the Workers Council) and the Bolsheviks (Led by Vladimir Lenin) 

The people involved in world war 1 were the Main countries talked about such as France, Russia, The British Empire, Serbia, Belgium, Montenegro, Japan, Italy, Portugal, Romania, United States, and Greece on one side known as the allied powers. and the Central Powers such as Germany, Austria-Hungary, the Ottoman Empire, Bulgaria,