Across
1
Union formed for mutual benefit
6
Movement of people to new areas
7
Belonging to a very old period
8
Government elected by the people
9
Period of ten years
11
Armed conflict between nations
12
Sudden overthrow of a government
13
Relating to the Middle Ages
Down
2
Medieval religious military campaign
3
Practice of establishing foreign colonies
4
Ancient empire that conquered much of Europe
5
Ancient Mesoamerican civilization
10
Freedom from outside control
14
Person owned as property