Across
1
Belonging to a very old period
6
Medieval land-for-service system
7
Government elected by the people
8
Person who travels to discover new lands
9
Fundamental law of a nation
10
Government ruled by a king or queen
12
Ancient Egyptian stone monument
Down
2
Metal that replaced bronze in tools
3
Ancient empire that conquered much of Europe
4
Advanced stage of human society
5
Fortified medieval residence
11
Exchange of goods between peoples
13
Large territory under one ruler