Ending the civil war in Syria.
On February 25, 200–300 Mexican soldiers crossed the San Antonio River and took cover in abandoned shacks approximately 90 to 100 yards (82 to 91 m) from the Alamo walls. The soldiers intended to use the huts as cover to establish another artillery position, although many Texians assumed that they actually were launching an assault on the fort. Several men volunteered to burn the huts.To provide cover, the Alamo cannons fired grapeshot at the Mexican soldiers, and Crockett and his men fired rifles
Well there are two ways of really explaining this, but "The Common Good" by definition is something that benefits or interests of everyone.
The political term, is literally the same thing; "What is shared and beneficial for most members of a given community"
Hope this is the answer you are searching for.
<span>C. the world's oldest functioning written constitution" is the correct answer, which is not intuitive because the US is so young relative to most countries. It's also the shortest written constitution. </span>