Across
1
Alloy of copper and tin used in early tools
3
Payment made to show submission
5
Fundamental law of a nation
6
Advanced stage of human society
8
Uprising against authority
Down
2
Ancient Egyptian ruler
3
Exchange of goods between peoples
4
Handwritten historical document
7
Deadly epidemic disease
9
Ancient Mesoamerican civilization
10
Union formed for mutual benefit
11
Male monarch ruler
12
Sudden overthrow of a government