Across
1
Long and distinct period of history
4
Person who travels to discover new lands
5
Period of ten years
7
Metal that replaced bronze in tools
12
Large territory under one ruler
Down
2
Government elected by the people
3
Roman arena fighter
6
Period of one hundred years
8
Territory controlled by another country
9
Movement of people to new areas
10
Person with no fixed home
11
Formal agreement between nations