Civilizations of the Americas Unit Test can anyone help with the answers

1b
2c
3d
4d
5c
6a
7c
8b
9b
10b
11c
12b
13a
14b
15b
16c
17a
18a
19a
20b
21b
22d

I don't even know, I haven't even done it yet, bwah.