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Why did Pope Pius IX withdraw his troops from the war against Austria in 1848?

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Unification of Italy — unification of Italy The unification of Italy. The dates are those of annexation, first to Sardinia-Piedmont and after 1861 to the Kingdom of Italy.

Pope Pius IX withdrew his troops from the war against Austria in 1848 primarily because he was conscious of the danger of a religious schism within the Catholic Church.1

In an address to the cardinals on April 29, 1848, the Pope disavowed any intention of declaring war on a Christian nation, specifically Austria. As the leader of the Roman Catholic Church, Pius IX felt compelled to maintain a position of neutrality, viewing himself as a disinterested spectator of the revolutionary activities sweeping across Italy.12

This decision was a significant turning point in the Risorgimento, as it discredited the Pope among Italian patriots and signaled the end of his initial liberal phase. Following this allocution, the papacy was increasingly viewed as a bulwark of reaction rather than a supporter of the national cause.23