Across
1
Practice of establishing foreign colonies
7
Armored warrior of medieval times
8
Person with no fixed home
9
Ancient Mesoamerican civilization
10
Metal that replaced bronze in tools
11
Freedom from outside control
12
Large territory under one ruler
Down
2
Ancient Egyptian ruler
3
Ancient empire that conquered much of Europe
4
Fundamental law of a nation
5
Government ruled by a king or queen
6
Person who travels to discover new lands