Across
1
Fortified medieval residence
5
Legislative body in ancient Rome
6
Medieval religious military campaign
9
Alloy of copper and tin used in early tools
10
Metal that replaced bronze in tools
12
Period of one hundred years
Down
2
Uprising against authority
3
Deadly epidemic disease
4
Formal agreement between nations
7
Sudden overthrow of a government
8
Movement of people to new areas
11
Government by the people