Complex sentence: The British gave material support to the Austrians in the War of the Austrian Succession in the form of British troops and providing large financial subsidies that allowed Maria Theresa to secure the Austrian throne, in defiance of Salic Law.
Split into simpler sentences: The British gave material support to the Austrians in the War of the Austrian Succession in the form of British troops and providing large financial subsidies. This allowed Maria Theresa to secure the Austrian throne in defiance of the Salic Law.