Across
1
Collection of traditional stories
3
Object made by humans from the past
6
Fortified medieval residence
7
Medieval land-for-service system
8
Alloy of copper and tin used in early tools
10
Practice of farming and growing food
11
Metal that replaced bronze in tools
Down
2
Advanced stage of human society
4
Formal agreement between nations
5
Union formed for mutual benefit
9
Armed conflict between nations
12
Deadly epidemic disease