Across
1
Period of ten years
5
Medieval land-for-service system
6
Payment made to show submission
7
Metal that replaced bronze in tools
9
Exchange of goods between peoples
10
Armored warrior of medieval times
13
Territory controlled by another country
Down
2
Union formed for mutual benefit
3
Movement of people to new areas
4
Freedom from outside control
8
Practice of farming and growing food
11
Belonging to a very old period
12
Ancient empire that conquered much of Europe