Cross reference
2 Samuel 20:18
18 Then she spake, saying, They were wont to speak in old time, saying, They shall surely ask `counsel' at Abel: and so they ended `the matter'.
Deuteronomy 20:10-11
10 When thou drawest nigh unto a city to fight against it, then proclaim peace unto it.
11 And it shall be, if it make thee answer of peace, and open unto thee, then it shall be, that all the people that are found therein shall become tributary unto thee, and shall serve thee.