Across
1
Ancient Mesoamerican civilization
3
Alloy of copper and tin used in early tools
4
Sudden overthrow of a government
5
Armored warrior of medieval times
6
Uprising against authority
9
Advanced stage of human society
10
Freedom from outside control
Down
2
Practice of establishing foreign colonies
6
Ancient empire that conquered much of Europe
7
Belonging to a very old period
8
Government by the people