Slaves in Rome might include prisoners of war, sailors captured and sold by pirates, or slaves bought outside Roman territory. In hard times, it was not uncommon for desperate Roman citizens to raise money by selling their children into slavery.
The answer is True.
A migrant worker often earn's money in a host country and returns a small amount to their home country. This money then flows into the economy and can greatly benefit the home country over time.
I hope this was helpful.
Infectious diseases and colonization.
Sorry, I don't have an answer more specifc than that.
