Why did Britain support the growth of a stronger Italian state?

Britain’s support for a stronger Italian state during the Risorgimento was primarily driven by strategic geopolitical interests rather than an abstract commitment to nationalism.

British policymakers, including Lord Palmerston, viewed the presence of Austria in northern Italy as a source of instability. While Austria was considered a necessary barrier against French aggression in 1815, its subsequent mismanagement had fostered intense national hatred, rendering its continued presence a threat to the general peace of Europe and a source of weakness for the Habsburg Empire itself.1

Furthermore, as the movement toward unification progressed, Britain favored the creation of a strong, unified Italian state to serve as a vital counterweight to French influence in the region. By supporting the unification efforts led by Piedmont, Britain aimed to maintain a balance of power that prevented any single continental rival from dominating the peninsula.2