Across
1
Military blockade of a fortified place
3
Union formed for mutual benefit
4
Advanced stage of human society
5
Person who travels to discover new lands
9
Formal agreement between nations
Down
2
Exchange of goods between peoples
3
Practice of farming and growing food
6
Person with no fixed home
7
Military conflict or fight
8
Alloy of copper and tin used in early tools
10
Ancient Egyptian ruler