Across
1
Belonging to a very old period
5
Government by the people
6
Armed entry into another territory
7
Medieval religious military campaign
9
Government elected by the people
11
Medieval land-for-service system
Down
2
Territory controlled by another country
3
Large territory under one ruler
4
Exchange of goods between peoples
6
Metal that replaced bronze in tools
8
Advanced stage of human society
10
Legislative body in ancient Rome
12
Armed conflict between nations