Across
1
Formal agreement between nations
4
Advanced stage of human society
5
Object made by humans from the past
6
Ancient empire that conquered much of Europe
7
Collection of traditional stories
8
Person owned as property
11
Uprising against authority
Down
1
Payment made to show submission
2
Period of ten years
3
Government by the people
9
Fundamental law of a nation
10
Exchange of goods between peoples