Across
1
Medieval religious military campaign
5
Union formed for mutual benefit
6
Armed entry into another territory
7
Period of ten years
11
Exchange of goods between peoples
12
Ancient Egyptian picture writing
Down
2
Alloy of copper and tin used in early tools
3
Government ruled by a king or queen
4
Legislative assembly of a country
8
Medieval land-for-service system
9
Large territory under one ruler
10
Fortified medieval residence