Across
1
Payment made to show submission
2
Fundamental law of a nation
3
Person owned as property
4
Relating to the Middle Ages
6
Person who travels to discover new lands
10
Large territory under one ruler
11
Sudden overthrow of a government
Down
2
Practice of establishing foreign colonies
3
Military blockade of a fortified place
5
Medieval religious military campaign
7
Long and distinct period of history
8
Advanced stage of human society
9
Movement of people to new areas
12
Government ruled by a king or queen