Across
1
Person owned as property
4
Metal that replaced bronze in tools
5
Formal agreement between nations
6
Belonging to a very old period
7
Medieval land-for-service system
8
Ancient Egyptian stone monument
9
Military blockade of a fortified place
10
Armed entry into another territory
11
Practice of farming and growing food
Down
2
Practice of establishing foreign colonies
3
Military conflict or fight
4
Freedom from outside control
12
Armored warrior of medieval times