Across
1
Armored warrior of medieval times
4
Ancient empire that conquered much of Europe
5
Exchange of goods between peoples
7
Large territory under one ruler
8
Armed entry into another territory
9
Belonging to a very old period
10
Armed conflict between nations
11
Ancient Egyptian picture writing
12
Advanced stage of human society
14
Formal agreement between nations
Down
2
Alloy of copper and tin used in early tools
3
Government ruled by a king or queen
6
Practice of farming and growing food
13
Practice of establishing foreign colonies