Same thing from the other question I answered.
I believe c is the answer because the word it's is saying it is
"<span>Social stratification developed based on newly specialized jobs" is the best option from the list, since this was due to the recent ability to domesticate plants and animals.</span>
-communism spread
-millions died because of conflict and starvation
-people lost their freedoms and were uneducated.
Need more ideas go search online and skim through.
