Across
1
Government by the people
6
Medieval land-for-service system
7
Territory controlled by another country
9
Person who buys and sells goods
10
Fundamental law of a nation
11
Armored warrior of medieval times
Down
2
Person with no fixed home
3
Exchange of goods between peoples
4
Formal agreement between nations
5
Roman arena fighter
7
Advanced stage of human society
8
Large territory under one ruler