Across
1
Alloy of copper and tin used in early tools
4
Formal agreement between nations
6
Movement of people to new areas
7
Legislative assembly of a country
9
Armored warrior of medieval times
10
Person who buys and sells goods
11
Succession of rulers from same family
Down
2
Roman arena fighter
3
Ancient empire that conquered much of Europe
5
Person with no fixed home
8
Ancient Egyptian picture writing
12
Military blockade of a fortified place