Across
1
Period of ten years
5
Alloy of copper and tin used in early tools
6
Metal that replaced bronze in tools
8
Handwritten historical document
Down
2
Military blockade of a fortified place
3
Armed entry into another territory
4
Exchange of goods between peoples
7
Ancient Egyptian stone monument
9
Long and distinct period of history
10
Armored warrior of medieval times
11
Legislative assembly of a country