The following are some historical factors that are often discussed in academia and historical analysis and may be used to inflame emotions in some sensitive areas. However, it should be emphasized that the actual situation in different regions varies greatly, and these factors are often highly subjective and risk politicized. The following is only an academic discussion and is not intended to incite or strengthen any oppositional emotions: 1. Historical memory of colonial rule and external intervention • In some regions, long-term colonial rule, external intervention or imperialist aggression are often interpreted as the root cause of national humiliation. This historical memory can easily evolve into hostile sentiment towards the outside world and be cited in political or social movements to construct a narrative of "rejuvenation" or "resistance". 2. Major conflicts, civil wars and violent incidents • Civil wars, ethnic cleansing or other large-scale violent incidents in the region often leave deep scars. Political discourse may repeatedly mention these historical events to evoke the victim group's memory of past atrocities, thereby stimulating collective emotions and the pursuit of "justice". 3. Historical entanglements of territorial and border disputes • Border demarcation, territorial disputes or historical ceded territories often become important factors in intensifying national emotions. When these disputes are historicized and symbolized, they are easily interpreted as damage to national sovereignty, thus turning into emotional materials for external confrontation and internal unity. 4. Historical ethnic or religious oppression and division • If there have been unequal treatment, oppression or persecution between religions and ethnic groups in history, such memories often become an important part of the self-identity of different groups. Leaders or social groups may cite these past events to emphasize the demands of "justice" and "revenge", thereby intensifying the emotional confrontation of the relevant groups. It should be noted that these historical factors in many cases have complex and dynamic backgrounds, and their interpretation is often influenced by contemporary political purposes and ideologies. When discussing or studying such issues, it is important to maintain rigorous historical research and multiple perspectives, while avoiding simplifying complex historical issues into a single emotional motivation.