Across
1
Object made by humans from the past
3
Alloy of copper and tin used in early tools
10
Long and distinct period of history
11
Armed conflict between nations
12
Union formed for mutual benefit
Down
2
Medieval land-for-service system
4
Armored warrior of medieval times
5
Metal that replaced bronze in tools
6
Roman arena fighter
7
Medieval religious military campaign
8
Male monarch ruler
9
Fortified medieval residence
