Across
1
Government ruled by a king or queen
5
Advanced stage of human society
6
Metal that replaced bronze in tools
7
Period of ten years
9
Military blockade of a fortified place
14
Government elected by the people
Down
2
Sudden overthrow of a government
3
Medieval religious military campaign
4
Armored warrior of medieval times
8
Exchange of goods between peoples
10
Ancient Egyptian ruler
11
Practice of farming and growing food
12
Payment made to show submission
13
Union formed for mutual benefit