Which of the following made the greatest contributions to the american victory at yorktown? a. guerilla attacks led by francis marion. b. the aid of the french fleet c. the discovery that benedict arnold was a traitor. d. general greene's leadership

What happened when spain’s government could not overcome social and economic problems during the great depression? citizen groups revolted against the government. the head of the government gave his resignation. a new leader seized control from the military rulers. the army led a rebellion against the government.