Across
1
Fortified medieval residence
3
Period of ten years
5
Uprising against authority
7
Person who buys and sells goods
8
Union formed for mutual benefit
9
Advanced stage of human society
10
Long and distinct period of history
11
Ancient empire that conquered much of Europe
13
Formal agreement between nations
Down
2
Object made by humans from the past
3
Government by the people
4
Armored warrior of medieval times
6
Military blockade of a fortified place
12
Armed entry into another territory