Across
1
Large territory under one ruler
4
Ancient Mesoamerican civilization
6
Belonging to a very old period
9
Exchange of goods between peoples
11
Fortified medieval residence
13
Alloy of copper and tin used in early tools
Down
2
Object made by humans from the past
3
Medieval land-for-service system
5
Government elected by the people
7
Legislative body in ancient Rome
8
Payment made to show submission
10
Person with no fixed home
12
Formal agreement between nations