7177
It was part of a system of forts along the Texas frontier to protect and encourage settlement in north-central and West Texas .
 location: Texas; location: West; location: Texas
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 location: Texas; location: West; location: Texas