Across
1
Medieval land-for-service system
4
Ancient Egyptian ruler
5
Belonging to a very old period
8
Military blockade of a fortified place
10
Period of ten years
Down
2
Government ruled by a king or queen
3
Large territory under one ruler
6
Alloy of copper and tin used in early tools
7
Metal that replaced bronze in tools
9
Ancient Mesoamerican civilization