Across
1
Metal that replaced bronze in tools
3
Ancient Egyptian stone monument
4
Armored warrior of medieval times
8
Period of one hundred years
10
Fortified medieval residence
11
Armed entry into another territory
12
Medieval land-for-service system
Down
2
Government elected by the people
4
Male monarch ruler
5
Fundamental law of a nation
6
Movement of people to new areas
7
Long and distinct period of history
9
Large territory under one ruler