Across
1
Government ruled by a king or queen
5
Practice of establishing foreign colonies
6
Advanced stage of human society
10
Deadly epidemic disease
11
Government elected by the people
Down
2
Metal that replaced bronze in tools
3
Alloy of copper and tin used in early tools
4
Period of one hundred years
7
Ancient Mesoamerican civilization
8
Payment made to show submission
9
Person owned as property