Across
1
Legislative assembly of a country
6
Union formed for mutual benefit
8
Handwritten historical document
9
Metal that replaced bronze in tools
10
Armed entry into another territory
11
Armed conflict between nations
12
Advanced stage of human society
Down
2
Practice of establishing foreign colonies
3
Legislative body in ancient Rome
4
Medieval land-for-service system
5
Practice of farming and growing food
7
Fundamental law of a nation