Across
1
Government by the people
3
Advanced stage of human society
6
Movement of people to new areas
7
Period of ten years
8
Ancient Egyptian stone monument
10
Period of one hundred years
12
Union formed for mutual benefit
Down
2
Medieval land-for-service system
3
Practice of establishing foreign colonies
4
Alloy of copper and tin used in early tools
5
Ancient Mesoamerican civilization
9
Fundamental law of a nation
11
Exchange of goods between peoples
13
Payment made to show submission