Complex sentence: Formally called the Final Declaration of the Stresa Conference, its aim was to reaffirm the Locarno Treaties and to declare that the independence of Austria "would continue to inspire their common policy".
Split into simpler sentences: Formally called the Final Declaration of the Stresa Conference. It's aim was to reaffirm the Locarno Treaties, and to declare that the independence of Austria "would continue to inspire their common policy".