Across
1
Movement of people to new areas
4
Government elected by the people
6
Metal that replaced bronze in tools
7
Large territory under one ruler
8
Exchange of goods between peoples
10
Government ruled by a king or queen
Down
1
Handwritten historical document
2
Person who travels to discover new lands
3
Person who buys and sells goods
5
Advanced stage of human society
9
Ancient Mesoamerican civilization
11
Armored warrior of medieval times
12
Practice of establishing foreign colonies