Answer:
Correct answer is Athens and Sparta both used slaves, but Athenian men would work with the slaves.
Step-by-step explanation:
First option is correct, as in Sparta slaves were owned by state and were practically seen as tools, while in Athens slaves were private ownership, and were treated more fairly, and would be even able to gain their freedom. Some would say that it was sometimes even hard to differ slaves from freeman.
Second option is not correct as there were slaves in both countries.
Third option is not correct as in Athens for example slaves participated even in education of children, which was not the case in Sparta.
Fourth option is also not correct as in Athens they were used for many purposes.