Slaves worked for free and had to do all hard labor that they were told to do.
Answer:
Plutarch the Gladiator War and The War of Spartacus
Explanation:
The Third Servile War, also called by Plutarch the Gladiator War and The War of Spartacus, was the last in a series of slave rebellions against the Roman Republic, known as the Servile Wars. The Third was the only one directly to threaten the Roman heartland of Italia. It was particularly alarming to Rome because its military seemed powerless to suppress it.
The correct answer is a. evolution.
Darwin was the scientist behind the theory of natural selection, one of the main mechanisms behind evolution (next to sexual selection).
Answer:
Sound waves. I hope this helps.