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.
Exposed them to new lands to conquer as well as spread influence too. It allowed competing countries to appear superior if they conquered land in the land. Land=resources and power all equate to more economic oppurtunities
The correct answer for this question is "a setback for the antiwar movement among college-aged students."
Publication of the Pentagon Papers in 1971 represented a setback for the antiwar movement among college-aged students. It shows how the students are being involved in that kind of event.
There are many examples like protest, gathering like parties, and political announcements
