Across
1
Practice of farming and growing food
6
Military blockade of a fortified place
7
Alloy of copper and tin used in early tools
8
Ancient empire that conquered much of Europe
9
Union formed for mutual benefit
10
Territory controlled by another country
Down
2
Armed conflict between nations
3
Movement of people to new areas
4
Long and distinct period of history
5
Person who travels to discover new lands
10
Fortified medieval residence
11
Period of one hundred years