Across
1
Ancient Egyptian stone monument
5
Object made by humans from the past
6
Armored warrior of medieval times
7
Person owned as property
8
Exchange of goods between peoples
10
Military blockade of a fortified place
Down
2
Period of ten years
3
Formal agreement between nations
4
Metal that replaced bronze in tools
9
Period of one hundred years
11
Government ruled by a king or queen