The Treaty failed to resolve underlying issues, such as the loss of Mahón and Gibraltar, while the Commission made little progress. The Anglo-French Alliance lapsed in 1731 and Britain agreed the 1731 Treaty of Vienna with Austria, although they co-operated with France to ensure Charles inherited Parma in 1732. As a result of the 1733 to 1735 War of the Polish Succession, he exchanged it for the Kingdom of Naples and in 1759 became king of Spain.King Charles III of Spain: An Enlightened Despot
