In the late 1800s, Austria-Hungary faced the greatest challenge in maintaining unity due to its diverse ethnic groups striving for independence. These groups included Germans, Hungarians, Czechs, and others, each with their own cultural identities. The empire's internal tensions from rising nationalistic movements ultimately led to its downfall after World War I. ;
Austria-Hungary faced the greatest challenges in the late 1800s in remaining unified due to its diverse ethnic groups seeking independence. The empire held numerous nationalities, including Germans, Hungarians, and Czechs, all of whom pursued their own cultural identities. Ultimately, these tensions led to significant conflicts and contributed to the empire's downfall after World War I.
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