Across
1
Armed conflict between nations
3
Union formed for mutual benefit
5
Practice of establishing foreign colonies
7
Armed entry into another territory
8
Ancient Mesoamerican civilization
11
Metal that replaced bronze in tools
13
Legislative assembly of a country
Down
2
Legislative body in ancient Rome
4
Person with no fixed home
5
Advanced stage of human society
6
Ancient Egyptian ruler
9
Territory controlled by another country
10
Freedom from outside control
12
Ancient empire that conquered much of Europe
14
Payment made to show submission