Which statement offers a reason that supports the thesis that George Washington was a successful military leader?

George Washington's early military career (1754-1758)—during the Seven Years' War—was not uniformly successful. In his first battle, he and his men were ambushed and forced to surrender Fort Necessity on the Pennsylvania frontier. ... Washington led the surviving British and Colonial soldiers on a successful retreat.

Very useful. it is to learn because history repeats itself so learning about it those mistakes not happen again.