Across
1
Armed entry into another territory
4
Formal agreement between nations
6
Armed conflict between nations
7
Relating to the Middle Ages
10
Government by the people
11
Armored warrior of medieval times
12
Alloy of copper and tin used in early tools
14
Ancient empire that conquered much of Europe
15
Exchange of goods between peoples
Down
2
Person who buys and sells goods
3
Practice of farming and growing food
5
Person with no fixed home
8
Succession of rulers from same family
9
Ancient Mesoamerican civilization
13
Metal that replaced bronze in tools