Across
1
Armored warrior of medieval times
3
Armed entry into another territory
5
Relating to the Middle Ages
7
Person who travels to discover new lands
8
Payment made to show submission
10
Sudden overthrow of a government
12
Military blockade of a fortified place
Down
2
Practice of establishing foreign colonies
4
Formal agreement between nations
6
Freedom from outside control
9
Person who buys and sells goods
11
Legislative body in ancient Rome