Across
1
Armed conflict between nations
3
Armed entry into another territory
4
Fundamental law of a nation
5
Ancient empire that conquered much of Europe
7
Government by the people
8
Relating to the Middle Ages
Down
2
Union formed for mutual benefit
6
Metal that replaced bronze in tools
9
Person with no fixed home
10
Alloy of copper and tin used in early tools
11
Ancient Mesoamerican civilization