Across
1
Union formed for mutual benefit
4
Roman arena fighter
7
Payment made to show submission
Down
2
Long and distinct period of history
3
Male monarch ruler
5
Metal that replaced bronze in tools
6
Medieval religious military campaign
8
Movement of people to new areas
9
Advanced stage of human society
10
Medieval land-for-service system
11
Uprising against authority
12
Armed entry into another territory