What was a 19th century artistic movement that influence nationalism in Europe

Romanticism was the 19th century artistic and intellectual movement which influenced nationalism in Europe.

Explanation:

although world war i began in 1914, the united states did not join the war until 1917. the additional firepower, resources, and soldiers of the u.s. to tip the balance of the war in favor of the allies. remaining neutral. when war broke out in 1914, the united states had a policy of neutrality.

c would be the correct !

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