This is a concept used to describe the appropriation of aspects of Native American culture by Europeans, a phenomena that continues to this day.

b or c ( this is because my answer is short so just ignore it)

answer; /// (c) i believe that the correct answer is; ///full faith and credit.

2018 means 2018 ce or common era

there have been other eras too including bce, which included way more years.

i think it was because of how protected egyptian civilization was was which allowed them to evolve without much outside influence.