Across
1
Military blockade of a fortified place
4
Person who travels to discover new lands
5
Fortified medieval residence
6
Exchange of goods between peoples
7
Fundamental law of a nation
8
Ancient empire that conquered much of Europe
9
Legislative assembly of a country
10
Armed entry into another territory
Down
1
Legislative body in ancient Rome
2
Payment made to show submission
3
Person who buys and sells goods
11
Sudden overthrow of a government