Across
1
Advanced stage of human society
2
Ancient empire that conquered much of Europe
6
Ancient Mesoamerican civilization
7
Male monarch ruler
8
Legislative body in ancient Rome
10
Medieval religious military campaign
Down
2
Sudden overthrow of a government
3
Uprising against authority
4
Person owned as property
5
Union formed for mutual benefit
9
Belonging to a very old period
11
Government by the people
12
Armed entry into another territory