Across
1
Union formed for mutual benefit
4
Ancient Mesoamerican civilization
6
Person with no fixed home
7
Person who travels to discover new lands
8
Alloy of copper and tin used in early tools
9
Uprising against authority
10
Belonging to a very old period
15
Armored warrior of medieval times
Down
2
Government by the people
3
Freedom from outside control
5
Person who buys and sells goods
11
Metal that replaced bronze in tools
12
Ancient Egyptian ruler
13
Legislative assembly of a country
14
Formal agreement between nations