Which of the following can nationalism foster among nations?

Nationalism can foster rivalries and conflicts among nations as it often emphasizes the superiority of one's own nation and its interests over those of others. This strong sense of national pride can lead to competition for resources, territorial disputes, and a reluctance to engage in cooperation with perceived adversaries. When nations prioritize their own ambitions and identity above all else, it can create an atmosphere of distrust and hostility, increasing the likelihood of conflicts. Historical examples include the lead-up to World War I, where nationalistic fervor contributed to tensions among European powers. This context illustrates how nationalism, while potentially unifying internally, can negatively impact international relations by heightening rivalries.