Across
1
Alloy of copper and tin used in early tools
3
Ancient Mesoamerican civilization
7
Long and distinct period of history
8
Armed entry into another territory
9
Military blockade of a fortified place
Down
2
Medieval religious military campaign
4
Deadly epidemic disease
5
Object made by humans from the past
6
Territory controlled by another country
10
Metal that replaced bronze in tools
11
Relating to the Middle Ages