Across
1
Ancient Egyptian ruler
4
Formal agreement between nations
5
Person who buys and sells goods
9
Alloy of copper and tin used in early tools
10
Armed entry into another territory
Down
2
Long and distinct period of history
3
Uprising against authority
6
Period of ten years
7
Deadly epidemic disease
8
Territory controlled by another country
11
Ancient Egyptian picture writing
12
Metal that replaced bronze in tools