Across
1
Alloy of copper and tin used in early tools
4
Person with no fixed home
6
Medieval land-for-service system
7
Practice of establishing foreign colonies
8
Government elected by the people
9
Movement of people to new areas
10
Object made by humans from the past
11
Medieval religious military campaign
14
Formal agreement between nations
Down
2
Sudden overthrow of a government
3
Belonging to a very old period
5
Union formed for mutual benefit
12
Legislative body in ancient Rome
13
Ancient Egyptian ruler
15
Exchange of goods between peoples