Across
1
Payment made to show submission
3
Armed conflict between nations
7
Alloy of copper and tin used in early tools
8
Person who travels to discover new lands
9
Armored warrior of medieval times
10
Ancient empire that conquered much of Europe
13
Ancient Mesoamerican civilization
Down
2
Movement of people to new areas
4
Legislative assembly of a country
5
Medieval land-for-service system
6
Ancient Egyptian picture writing
11
Period of ten years
12
Legislative body in ancient Rome