Across
1
Person who buys and sells goods
3
Military blockade of a fortified place
8
Territory controlled by another country
9
Roman arena fighter
11
Fundamental law of a nation
12
Medieval land-for-service system
14
Practice of establishing foreign colonies
15
Deadly epidemic disease
Down
2
Large territory under one ruler
4
Formal agreement between nations
5
Union formed for mutual benefit
6
Sudden overthrow of a government
7
Person who travels to discover new lands
10
Armed entry into another territory
13
Succession of rulers from same family