Across
1
Armed conflict between nations
3
Practice of farming and growing food
4
Person who buys and sells goods
10
Metal that replaced bronze in tools
11
Object made by humans from the past
12
Ancient Egyptian picture writing
Down
2
Fortified medieval residence
5
Alloy of copper and tin used in early tools
6
Sudden overthrow of a government
7
Large territory under one ruler
8
Government ruled by a king or queen
9
Medieval religious military campaign