Across
1
Government elected by the people
6
Formal agreement between nations
7
Object made by humans from the past
9
Exchange of goods between peoples
10
Military blockade of a fortified place
12
Freedom from outside control
13
Territory controlled by another country
14
Ancient Mesoamerican civilization
Down
2
Movement of people to new areas
3
Large territory under one ruler
4
Deadly epidemic disease
5
Practice of farming and growing food
8
Armed conflict between nations
11
Advanced stage of human society