Across
1
Exchange of goods between peoples
5
Belonging to a very old period
7
Metal that replaced bronze in tools
10
Relating to the Middle Ages
11
Roman arena fighter
12
Succession of rulers from same family
13
Government ruled by a king or queen
Down
2
Person with no fixed home
3
Sudden overthrow of a government
4
Formal agreement between nations
6
Fortified medieval residence
8
Armored warrior of medieval times
9
Advanced stage of human society