You're kidding right ??? I'm European and I know this.
It's C-Slavery ended in the U.S after the Civil war.
It’s the first one for sure
Answes: The first was Christianity and the Catholic Church (as well as the official language of the Church, Latin). The second was feudalism. The expansion of Catholic Christianity and the feudal system had a profound impact on western Europe in the medieval era.
Explanation:
Well history does show us some pretty cool heroes and some pretty bad villains, but some stories from history are not real for example Poseidon god of the see in Greek myth. Greek myth can be counted as part of history.