Final answer:
The Alamo was a mission in San Antonio significant in the Texas Revolution, its fall serving as a crucial rallying point for Texans. "Remember the Alamo" was cried at the Battle of San Jacinto to inspire troops and led to a significant victory. The Alamo's importance lies in its embodiment of sacrifice and determination for independence.
Step-by-step explanation:
The Alamo was an old mission building in San Antonio, Texas, which became a pivotal point during the Texas Revolution. In late February 1836, Mexican President General Antonio López de Santa Anna laid siege to the Alamo where Texans, including famous figures such as Davy Crockett and Jim Bowie, were taking refuge. Despite being greatly outnumbered, the defenders held the fort until March 6th, when the Mexicans overran the defenses, leading to a battle to the death after Santa Anna declared no quarter would be given with the sounding of the degüello. The fall of the Alamo and the subsequent battle at Goliad resulted in heavy Texan casualties, leading to the retreat known as the Runaway Scrape.
The Battle of the Alamo is considered the most important battle of the Texas Revolution due to its significance as a symbol of Texans' resistance and sacrifice for independence. It inspired a surge in volunteer enlistment and support from Americans.
The rallying cry "Remember the Alamo" was shouted by the Texans during the Battle of San Jacinto on April 21, 1836, to inspire the troops and avenge their fallen comrades. This battle saw the Texas army, led by Sam Houston, surprise and decisively defeat Santa Anna's forces, capturing Santa Anna himself. This victory eventually led to the Treaties of Velasco, where Texas' independence was established, although not fully recognized by Mexico at the time.