Across
1
Period of ten years
5
Metal that replaced bronze in tools
6
Fundamental law of a nation
10
Succession of rulers from same family
11
Payment made to show submission
12
Fortified medieval residence
Down
2
Military conflict or fight
3
Union formed for mutual benefit
4
Relating to the Middle Ages
6
Medieval religious military campaign
7
Ancient Egyptian ruler
8
Freedom from outside control
9
Formal agreement between nations