With the first foreign material aid1 in 1777, the influx2 of foreign officers into the American Army began … Most were adventurers in search of fortune… Few were willing to accept anything but the highest ranks. Nevertheless, they brought with them the professional military knowledge and competence3 that the Continental Army sorely needed…Louis DuPortail, a Frenchmen, and Thaddeus Kosciuszko, a Pole, did much to advance the art of engineering4 in the Continental Army…Johann de Kalb and Fredrich Wilhelm von Steuben, both Germans, and the Marquis de Lafayette, an influential French nobleman, who financed his own way, were all able to make valuable contributions as trainers and leaders. Based on source 8, what contributes did foreign volunteers make to the continental Army?

A. Foreign volunteers brought military knowledge and skills

B. Foreign volunteers brought African American slaves

C. Foreign volunteers created divisions within the army

D. Foreign volunteers created opportunities of wealth