Why would killing every slave that joined Spartacus send a message to keep other slaves from revolting?

Spartacus ordered his army to turn back north, but as they made their way, Crassus and his legions met them. .Crassus attacked the slaves and demolished them. It is believed that Spartacus died in this battle. The Romans later crucified some 'six thousand slaves on the main road to Rome.

to fight against injustice and class division

answer by yourhope:

the speaker of which statement would be best served by joining an interest group?

i want politicians to make more of an effort for lgbt rights!

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