1. The Battle of Saratoga marked a turning point in the Revolutionary War because its outcome - O A. inspired the British to fight harder
O B. influenced France to lend support to the Americans
O C. caused Britain and France to form an alliance
O D. caused General Cornwallis to surrender

The league of nations was found in 1919 to keep peace after world war l.but it failed to prevent world war ll in 1939,so in 1945 the nations of the world set up a new organization,the united state (un).since then, the un has encouraged international cooperation and worked to resolve conflict

The third one would be the answer