KnowraMarco Polo Bridge IncidentLinked fromLinked fromThe 12 pages that link to Marco Polo Bridge Incident, each with the reason it gives.All 12Broader topic 2Related 8Narrower topic 1Compared with 1Japanese invasion of ManchuriaRelated: It marked the escalation from Japan’s earlier territorial expansion to wider war.Nanjing MassacreRelated: Its escalation brought Japanese forces into the campaign that reached Nanjing.Second United FrontRelated: The outbreak of general war made a united front urgent.Battle of ShanghaiRelated: The outbreak of war elsewhere prompted Chinese leaders to open a major front at Shanghai.Xi'an IncidentRelated: It marked the outbreak of the wider war the Xi'an agreement had sought to prepare for.Zhang XueliangRelated: The full invasion Zhang had pressed Chiang to resist followed months after the Xi’an settlement.Japanese occupation of ChinaRelated: It triggered the expansion from regional occupation to a nationwide war.Saionji KinmochiRelated: The widening conflict followed the political breakdown Saionji had tried to resist.