Which of the following made the greatest contribution to the American victory at Yorktown? A. Guerrilla attacks led by Francis Marion

B. The assistance of the French Navy Fleet General Greene’s outstanding leadership

C. The discovery that Benedict Arnold was a traitor

The controlled use of fire by hominids: (a) limited the expansion of hominids into certain environments, such as dry grasslands. (b) decreased the amount of food energy available in the hominid diet. (c) contributed to geographical expansion and food production techniques in positive ways. (d) has been shown to contribute little to the digestive process of hominids.