Across
1
Metal that replaced bronze in tools
3
Ancient Egyptian ruler
5
Sudden overthrow of a government
6
Government by the people
9
Deadly epidemic disease
12
Exchange of goods between peoples
Down
1
Armed entry into another territory
2
Person with no fixed home
4
Ancient empire that conquered much of Europe
7
Formal agreement between nations
8
Military conflict or fight
10
Fortified medieval residence
11
Union formed for mutual benefit
13
Legislative body in ancient Rome