Across
1
Military blockade of a fortified place
4
Uprising against authority
5
Armed entry into another territory
6
Large territory under one ruler
7
Military conflict or fight
8
Person who buys and sells goods
13
Metal that replaced bronze in tools
14
Union formed for mutual benefit
Down
2
Succession of rulers from same family
3
Person who travels to discover new lands
4
Government elected by the people
9
Armed conflict between nations
10
Ancient empire that conquered much of Europe
11
Sudden overthrow of a government
12
Movement of people to new areas