Why were workers in the North called “free labor”? A. They worked for no money.
B. They came from other countries.
C. They usually did not have families.
D. They could choose their own jobs.

A

Explanation:

they worked for no money. Free labor workers in the North worked without been paid or given any money

is this a multiple choice question? if so, could i see the answers to give you the right one!

answer; taking up arms to defend the nation;