Across
1
Exchange of goods between peoples
3
Practice of establishing foreign colonies
7
Union formed for mutual benefit
10
Armed entry into another territory
11
Deadly epidemic disease
Down
2
Relating to the Middle Ages
4
Fundamental law of a nation
5
Alloy of copper and tin used in early tools
6
Medieval land-for-service system
8
Person who travels to discover new lands
9
Male monarch ruler
12
Roman arena fighter
13
Ancient Mesoamerican civilization