Across
1
Handwritten historical document
6
Government elected by the people
9
Succession of rulers from same family
11
Government ruled by a king or queen
12
Ancient empire that conquered much of Europe
Down
2
Armed conflict between nations
3
Fortified medieval residence
4
Deadly epidemic disease
5
Metal that replaced bronze in tools
7
Person who buys and sells goods
8
Sudden overthrow of a government
10
Advanced stage of human society