Across
1
Ancient Egyptian picture writing
4
Exchange of goods between peoples
6
Alloy of copper and tin used in early tools
9
Military conflict or fight
10
Freedom from outside control
11
Person with no fixed home
Down
2
Legislative body in ancient Rome
3
Metal that replaced bronze in tools
5
Ancient Mesoamerican civilization
7
Medieval religious military campaign
8
Belonging to a very old period