Final answer:
Nationalism sparked the revolutionary outbursts in Europe in the 1830s and 1840s, influenced by concepts of cultural nationalism and the Romantic movement.
Explanation:
The revolutionary outbursts in Europe in the 1830s and the 1840s were sparked by attitudes of nationalism. The rise of revolutions across Europe during this period was influenced by concepts such as cultural nationalism, which argued for the sovereignty of nations based on shared institutions and cultures.
Romanticism, a movement in the arts that emphasized the exaltation of feeling and nature, played a significant role in inspiring nationalist movements during this time.
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