Across
1
Government by the people
3
Medieval religious military campaign
6
Period of ten years
8
Union formed for mutual benefit
9
Object made by humans from the past
10
Period of one hundred years
11
Belonging to a very old period
Down
2
Exchange of goods between peoples
3
Advanced stage of human society
4
Uprising against authority
5
Person who buys and sells goods
7
Alloy of copper and tin used in early tools
12
Fundamental law of a nation
13
Ancient Mesoamerican civilization