The slaves were foreigners,because some Greeks were uncomfortable owing other Greeks.
Yes, they did.
most Anciet egypt slaves were greeks and romans.
a lot of Greeks were slaves but we don't know the exact number because we don't know the exact number of Greeks who lived in the ancient Greek times but the estimated percentage is 63 percent.
the Greeks created columns and coloseums which the Romans used. the Romans used coloseums to entertain the citizens(slaves couldn't participate)
Yes, when the slaves built the pyramids they had to use whips to make the slaves work.
Most slaves were barbarians (non-Greeks). On rare occasions, Greeks would be sold into slavery, but that was usually a violation of a cultural taboo.
The Greeks and the Romans were selling and buying slaves.
Those not slaughtered were sold as slaves.
The so-called sport was known to have existed among the Pagan Greeks. It is not known if they used professional or amateur athletes, or recruits from Prisoners of War or slaves, etc ( Slaves and Prisoners were used in the Roman Gladiatorial combats). As the Greeks and Romans were frequently at war- it makes sense Greek POW"s were enslaved and used as gladiators- such as Spartacus- who was a Greek, a war-like Spartan as the name suggests.
The slaves did not overrun Greece. The Greeks were very successful at keeping control of their large slave populations, mainly by having non-Greek slaves.
The Greeks thought that citizens should participate in the government, but did not offer citizenship to women, foreigners, and slaves.