In the February revolution, some workers and peasants protested. Police shot and killed some, but more protestors kept coming. Nicholas gave up the throne. This ended centuries of Romanov rule. Alex Kerensky started a new provisional government. It was ruled by the bourgeoisie, or the wealthy upper-middle class. The war against the Germans continued. It drained food supplies. In the October revolution they overthrew the weak provisional government without that much killing.