There are many different people who have power. Therefore, there isn't one person who has all the power. Also, a system of checks and balances helps make sure that nobody takes more power than what is given to them.
The United States of America
Answer:
A common practice
Explanation:
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.