Across
1
Armed entry into another territory
4
Military conflict or fight
5
Territory controlled by another country
6
Medieval land-for-service system
8
Advanced stage of human society
10
Armed conflict between nations
11
Ancient empire that conquered much of Europe
Down
1
Metal that replaced bronze in tools
2
Freedom from outside control
3
Roman arena fighter
7
Ancient Mesoamerican civilization
9
Government ruled by a king or queen
12
Movement of people to new areas