Please help (20 points) It has to be with your own words

How did nationalist feelings shape the efforts of key leaders in the unification of Italy? Germany?

Down below :D

Explanation:

Nationalism became the most significant force for self-determination and unification in Europe of the 1800's. ... Nationalist began to form secret societies throughout Italy. Unification was the goal of groups such as the Young Italy Movement led by Giuseppe Mazzini who called for the establishment of a republic.

Nationalism motivated Italy's unification since the Italian people wanted a republic nation free from Austrian rule. Italian unification constituted the political and social movement that consolidated different states of the Italian peninsula into the single state of the Kingdom of Italy in the 19th century.

Both! The modern united states AND ancient greece