Across
1
Metal that replaced bronze in tools
3
Ancient empire that conquered much of Europe
4
Practice of establishing foreign colonies
5
Fundamental law of a nation
6
Relating to the Middle Ages
9
Sudden overthrow of a government
12
Person owned as property
Down
1
Armed entry into another territory
2
Legislative assembly of a country
4
Medieval religious military campaign
7
Alloy of copper and tin used in early tools
8
Male monarch ruler
10
Person who buys and sells goods
11
Armed conflict between nations