What is an important factor that led to lenin's takeover russia?

World war 1 and poverty/hunger outraged the public. They were starving at home and dying in battle overseas. This made the public eager for a rebellion and Lenin's people promised many new improvements

Ongoing civil wars western roman empire finally collapsed476 c.e. romulus, the last of theroman  emperors in  the west, was overthrown by the germanic leader odoacer, who became the first barbarian to rule in rome. the order that the  roman empire  had brought towestern  europe for 1000 years was no more.