Answer:
Giuseppe Mazzini
Explanation:
After a few months of leaving Italy, in June 1831, Mazzini wrote a letter to King Charles Albert of Sardinia, in which he asked him to unite Italy and lead the nation.
In 1831, Giuseppe Mazzini, created a group called Young Italy that promoted Italian independence.
Hence, a group called Young Italy was formed by Giuseppe Mazzini in 1831.
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