Across
1
Ancient empire that conquered much of Europe
3
Belonging to a very old period
8
Roman arena fighter
9
Succession of rulers from same family
10
Ancient Mesoamerican civilization
13
Legislative body in ancient Rome
15
Sudden overthrow of a government
Down
2
Fortified medieval residence
4
Period of ten years
5
Person who travels to discover new lands
6
Armed conflict between nations
7
Movement of people to new areas
11
Exchange of goods between peoples
12
Military conflict or fight
14
Person owned as property