Which event happened first during the siege of the Alamo? William Travis wrote his last appeal for help.
Santa Anna ordered a full attack on the mission.
George Kimbell arrived with 32 men from Gonzales.
William Travis drew a line on the ground with his sword.

William Travis wrote his last appeal for help.

Explanation:

During the first week of the siege more than 200 cannonballs landed in the Alamo plaza. At first, the Texians matched Mexican artillery fire, often reusing the Mexican cannonballs. On February 26 Travis ordered the artillery to conserve powder and shot. Two notable events occurred on Wednesday, February 24.

a social contract.

"a social contract is an agreement between citizens and their leader where the citizens give up certain freedoms in exchange for protection. the constitution of the united states is an example of a social contract."