What does tighten mean here? Does it imply 1)Increase re-entry ban? or b) make the laborers life long slaves or indentured servant? or c) Tie them up very tight with a rope?
What does tighten mean here? Does it imply
1)Increase re-entry ban?
or
b) make the laborers life long slaves or indentured servant?
or
c) Tie them up very tight with a rope?