Across
1
Union formed for mutual benefit
5
Movement of people to new areas
8
Legislative assembly of a country
10
Person owned as property
Down
2
Practice of establishing foreign colonies
3
Practice of farming and growing food
4
Long and distinct period of history
5
Government ruled by a king or queen
6
Exchange of goods between peoples
7
Advanced stage of human society
9
Military blockade of a fortified place