1 Classification People are divided into "them and us".
2 Symbolization "When combined with hatred, symbols may be forced upon unwilling members of pariah groups..."Discrimination
3 "Law or cultural power excludes groups from full civil rights: segregation or apartheid laws, denial of voting rights".
4 Dehumanization "One group denies the humanity of the other group. Members of it are equated with animals, vermin, insects, or diseases."
Explanation:
They invented the roman army and the canon in 1683
The first one is A as the Anasazi are the only native american group in the answers, number 2 is B, number 3 is the Hopi, number 4 is the bow and arrow and number five is the discovery of gold in the 1840's.