Final answer:
Thaddeus Kosciusko was the Polish engineer who decided the location of the American camp at Saratoga. The strategic positioning of the camp was one of the reasons for the American victory.
Step-by-step explanation:
The Polish engineer who played a role in determining the location of the American camp at Saratoga was Thaddeus Kosciusko.
One of the reasons the Americans won the Battle of Saratoga was because of the strategic positioning of their camp. Kosciusko, a skilled engineer, assisted in fortifying the American defenses and creating a well-fortified position, which helped to repel the British attacks.