Historians compare similarities and differences between societies primarily to. what? collect evidence on historical events.
comprehend how the past affects the future.
o learn about famous people who lived in the past.
O explain why cultures have varying views on an event.

Correct

O explain why cultures have varying views on an event.

Explanation:

In ancient history, most events are documented by historian of that time. This goes to show how the culture of that area treat some issues or their view regarding to some certain events.

For example, in ancient Greek, most people's representative who fall out of favour are banished to other region to live out the remaining years of their lives unlike now that such is no longer obtainable.

haitian revolution slaves initiated the rebellion in 1791 and by 1803 they had succeeded in ending not just slavery but french control over the colony

b) race riots in several cities