Why do you think factories didn’t use slave labor? PLZ HELP ME ASAP I WILL GIVE BRANLIEST

Because they underwent industrial revolution.

Explanation:

The north didn't use slave labor because they underwent industrial revolution, which they used manufacturing good which they did not need to depend on slave labor for their economy.

1 and 3

explanation:

learned it in 6th

as general terms,  indian territory,  the indian territories, or  indian country  describe an evolving land area set aside by the  united states government  for the relocation of  native americans  who held  aboriginal title  to their land. in general, the tribes ceded land they occupied in exchange for  land grants  in 1803. the concept of an indian territory was an outcome of the 18th- and 19th-century policy of  indian removal. after the  civil war(1861–1865), the policy of the government was one of  assimilation.