The nineteenth century is known for the rise of what two related phenomena?

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The nineteenth century saw the rise of nationalism, where people began to identify strongly with their nation, leading to the formation of nation-states. This period also witnessed the expansion of imperialism, as European powers and others sought to extend their dominion overseas, often driven by the economic interests, strategic needs, and a sense of national superiority. These two phenomena are closely related as the sense of national identity and superiority often fueled imperialistic ambitions.

The Nineteenth Century Is Known for the Rise of What