Across
1
Roman arena fighter
6
Ancient Egyptian ruler
7
Freedom from outside control
8
Military conflict or fight
9
Advanced stage of human society
10
Period of one hundred years
12
Union formed for mutual benefit
13
Armed conflict between nations
Down
2
Metal that replaced bronze in tools
3
Handwritten historical document
4
Legislative assembly of a country
5
Alloy of copper and tin used in early tools
11
Practice of farming and growing food