Across
1
Government by the people
7
Period of ten years
8
Fortified medieval residence
9
Alloy of copper and tin used in early tools
10
Armed entry into another territory
Down
2
Medieval land-for-service system
3
Large territory under one ruler
4
Practice of farming and growing food
5
Exchange of goods between peoples
6
Period of one hundred years
7
Succession of rulers from same family