 Complete the following phrase:  Juan de Courten elder or Juan Antonio Curten Massenet or Juan Courten or Juan Curten 10 October 1730  21 December 1796 began his Spanish military career in the War of the Austrian Succession at the age of 14. His father was a brigadier general of engineers who died in 1745. Courten fought in the SpanishPortuguese War 17611763, the Invasion of Algiers in 1775, and the 