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

Question

Quizplus · Accepted Answer

The 19th century saw the rise of both nationalism and imperialism, which were related phenomena. Nationalism led to the development of strong, centralized nation-states, while imperialism involved the extension of a nation's power and influence over other territories and peoples. These two trends often intersected, with nationalist goals driving imperialist ambitions.

The Nineteenth Century Is Known for the Rise of What