Across
1
Exchange of goods between peoples
4
Male monarch ruler
5
Armed conflict between nations
7
Person owned as property
9
Military blockade of a fortified place
10
Payment made to show submission
11
Ancient Egyptian ruler
13
Government ruled by a king or queen
Down
2
Ancient empire that conquered much of Europe
3
Legislative assembly of a country
6
Person who travels to discover new lands
8
Advanced stage of human society
12
Practice of farming and growing food