Across
1
Movement of people to new areas
6
Large territory under one ruler
7
Armed conflict between nations
8
Succession of rulers from same family
10
Sudden overthrow of a government
11
Payment made to show submission
Down
2
Metal that replaced bronze in tools
3
Belonging to a very old period
4
Uprising against authority
5
Person who travels to discover new lands
9
Advanced stage of human society
12
Fortified medieval residence
13
Military conflict or fight