Which statement accurately describes an important event in the unification of italy

1.austria and france conspired to place king victor emmanuel in charge of papal sates

2. the pope agreed to abide by the decision of guissepe mazzins revaluationary council

3.count di cavour prussued otto von bismarck to sardinia fight the astrians

4.gussepe garibalds redshirt defeat the kingdom of the two sicilies