
⚘The Roman Republic (Latin: Rēs pūblica Rōmāna [ˈreːs ˈpuːblɪka roːˈmaːna]) was the era of classical Roman civilization, led by the Roman people, beginning with the overthrow of the Roman Kingdom, traditionally dated to 509 BC, and ending in 27 BC with the establishment of the Roman Empire. During this period, Rome's control expanded from the city's immediate surroundings to hegemony over the entire Mediterranean world

Explanation:
as posted in national geographic. Lincoln and other leaders realized amending the Constitution was the only way to officially end slavery. The 13th Amendment forever abolished slavery as an institution in all U.S. states and territories. In addition to banning slavery, the amendment outlawed the practice of involuntary servitude and peonage
Answer:
Explanation:
A.people who opposed the Articles of Confederation
I'm pretty sure that's the incan, mayan, and aztec.
The correct answer in my opinion would be that D is the most important factor here. But this question is quite tricky.
We can surely say for example that literature, organized schools and a hierarchy of priests are not something that constitute a civilization. Organized schools appeared to late, not every civilization had literature and having only a hierachy of priests is not enough to say you have a civilizaton.
Labor has been divided in pre-civilization hunter-gatherer societies as well.
For that reason I'd say the correct answer is D - more food than is needed for survival. Having this, the people in a certain group can focus on other things.