Across
1
Formal agreement between nations
5
Ancient Egyptian stone monument
6
Ancient Mesoamerican civilization
7
Exchange of goods between peoples
8
Period of ten years
9
Armed entry into another territory
11
Handwritten historical document
Down
2
Alloy of copper and tin used in early tools
3
Fortified medieval residence
4
Government by the people
10
Roman arena fighter
12
Military conflict or fight