Across
1
Large territory under one ruler
4
Armored warrior of medieval times
5
Armed entry into another territory
7
Object made by humans from the past
10
Medieval religious military campaign
12
Alloy of copper and tin used in early tools
Down
2
Formal agreement between nations
3
Ancient Egyptian ruler
6
Metal that replaced bronze in tools
8
Ancient Mesoamerican civilization
9
Relating to the Middle Ages
11
Government elected by the people