Across
1
Union formed for mutual benefit
5
Roman arena fighter
6
Object made by humans from the past
10
Ancient Mesoamerican civilization
11
Belonging to a very old period
Down
2
Period of one hundred years
3
Armed entry into another territory
4
Practice of establishing foreign colonies
7
Uprising against authority
8
Armored warrior of medieval times
9
Medieval land-for-service system