What state is the 31st most extensive and the 25th most populous of the 50 United States, where Shreveport is the third largest city and Littleberry Calhoun Allen, Jr was a two-term Democratic mayor?
Calhoun Allen: Littleberry Calhoun Allen, Jr. (February 8, 1921 – February 23, 1991), was a two-term Democratic mayor of Shreveport, Louisiana, the state's third largest city. Louisiana:  Louisiana is the 31st most extensive and the 25th most populous of the 50 United States.
Louisiana