Across
1
Freedom from outside control
5
Advanced stage of human society
7
Ancient Egyptian ruler
8
Person owned as property
9
Person who buys and sells goods
12
Formal agreement between nations
13
Roman arena fighter
Down
2
Armored warrior of medieval times
3
Sudden overthrow of a government
4
Territory controlled by another country
6
Armed entry into another territory
8
Military blockade of a fortified place
10
Period of one hundred years
11
Union formed for mutual benefit