Giuseppe Mazzini's contribution to Italian unification was his: a. liberation of the south.

b. expert diplomacy.

c. idea of an Italian nation-state.

d. All of the choices are correct.

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.

china is shifting toward specialization in industry and services and away from agriculture.

explanation:

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