Across
1
Alloy of copper and tin used in early tools
4
Advanced stage of human society
8
Formal agreement between nations
10
Territory controlled by another country
11
Metal that replaced bronze in tools
Down
2
Deadly epidemic disease
3
Ancient Egyptian stone monument
5
Person who travels to discover new lands
6
Succession of rulers from same family
7
Medieval religious military campaign
9
Uprising against authority