What do you know about slavery in ancient Rome?

In ancient Rome, slaves occupied the lowest strata of the population. The main influx of slaves to Rome was wars of conquest. We can say that the slaves were the population of the conquered countries. Rome itself had tens of thousands of slaves, and slavery markets flourished. Slaves were forced to do the most difficult and difficult work. They built roads, fortresses, worked in mines and quarries. In addition, they were hired as domestic servants.