As a result of the great leap forward,

China tried to make a transition agricultural to industrial economy during this period. However, the production marks fell short and it resulted into economic crises as crops failed and floods threatened the countryside.  They fell back to agriculture to solve the problem.

in 476 c.e. romulus, the last of the roman 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 to western europe for 1000 years was no more.