Across
1
Metal that replaced bronze in tools
4
Ancient Egyptian stone monument
5
Alloy of copper and tin used in early tools
6
Ancient empire that conquered much of Europe
7
Object made by humans from the past
10
Legislative assembly of a country
Down
1
Armed entry into another territory
2
Armed conflict between nations
3
Person who buys and sells goods
8
Period of ten years
9
Legislative body in ancient Rome
11
Ancient Egyptian picture writing
12
Ancient Egyptian ruler