Magna carta is the document that gaveonly parliament power to tax
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
Pagers were invented in 1949 by Al Gross well the first telephone pager but it wasn't until 1956 when the motorola company creates the first portable paging device.
I think that the answer is A but not for sure.