Across
1
Metal that replaced bronze in tools
3
Male monarch ruler
4
Military blockade of a fortified place
6
Armed entry into another territory
7
Exchange of goods between peoples
8
Union formed for mutual benefit
9
Ancient Mesoamerican civilization
10
Ancient Egyptian ruler
12
Movement of people to new areas
Down
2
Government elected by the people
3
Armored warrior of medieval times
5
Large territory under one ruler
11
Military conflict or fight