Across
1
Roman arena fighter
6
Practice of establishing foreign colonies
7
Exchange of goods between peoples
10
Uprising against authority
Down
2
Formal agreement between nations
3
Military blockade of a fortified place
4
Territory controlled by another country
5
Person with no fixed home
6
Fortified medieval residence
8
Medieval land-for-service system
9
Person who travels to discover new lands
11
Fundamental law of a nation