Across
1
Advanced stage of human society
6
Exchange of goods between peoples
8
Alloy of copper and tin used in early tools
9
Territory controlled by another country
10
Object made by humans from the past
11
Belonging to a very old period
12
Person who travels to discover new lands
Down
2
Armed entry into another territory
3
Ancient Egyptian stone monument
4
Fundamental law of a nation
5
Relating to the Middle Ages
7
Government by the people
13
Formal agreement between nations
14
Sudden overthrow of a government