Are humans the only species that allow or practice social inequalities, or do inequalities also exist in some animal species?-125 words please

well let's see i know a little about the fall of the roman empore but what to say i do not have a clue of what to say. (that's 28 words) i learned about it in social studies it was quite boring really my teacher talks a lot, like a lot then gives us a bunch of work sheets not too many though.( that's 60 words)i actually almost fell asleep in class of course i really like that teacher of course she is really nice. i actually don't remember much from that class i got a b without any notes (it was an open notes test)(that's 95 words) i'm wasting time but i've gone too far to stop now i'm sorry i haven't said really any thing on the topic at all sorry not sorry haha jk.(that's 125 words ) (mike drop)

answer: a type of slavery where the enslaved person is the sole property of the master

explanation:

the viking voyages took place during the middle ages, which was about this time. 500 to 1350. the viking voyages took place during the middle ages, which was about this time.