Across
1
Armored warrior of medieval times
3
Ancient empire that conquered much of Europe
4
Legislative body in ancient Rome
7
Government ruled by a king or queen
8
Medieval religious military campaign
9
Long and distinct period of history
11
Military conflict or fight
Down
2
Freedom from outside control
4
Military blockade of a fortified place
5
Armed conflict between nations
6
Exchange of goods between peoples
10
Metal that replaced bronze in tools
12
Alloy of copper and tin used in early tools