If lien had not returned to russia after the czar stepped down, what would have been the likely outcome of the revolution

Alexander Kerensky might have remained as prime minister of the provisional government a lot longer. He may have succeeded in keeping Russia in WWI. The war may have ended sooner than 11/1918 with the U.S. entering in 1917.

assuming that you are talking about the one in egypt: hecka oil

explanation:

food chain i would say only because there is competition on getting food and survival