The Victory of the Long March and the Xi'an Incident

There existed a causal relationship between the victory of the long march and the happening of Xi'an incident.The victory provided a condition for the transition from the civil war to the antic Japanese war;the victory enabled the Red Army to inflict heavy losses to the north eastern army;the victory helped the Red Army to set up a united front with the north eastern army and the north western army.The victory enabled the communist party and the Red Army to set up their headquarters in the northwest which was also an important factor for the happening of the incident.