b. the site of a small fort that controlled commerce into Mexico.
Explanation:
Anahuac is a city in the U.S. state of Texas. The population of the city was 2,243 at the 2010 census. Anahuac is the seat of Chambers County and is situated in Southeast Texas. The Texas Legislature designated the city as the "Alligator Capital of Texas" in 1989. Anahuac hosts an annual alligator festival
