Across
1
Formal agreement between nations
3
Metal that replaced bronze in tools
5
Medieval land-for-service system
7
Belonging to a very old period
10
Ancient Egyptian picture writing
12
Armed conflict between nations
Down
1
Payment made to show submission
2
Large territory under one ruler
4
Ancient Mesoamerican civilization
6
Territory controlled by another country
8
Exchange of goods between peoples
9
Roman arena fighter
11
Fortified medieval residence