Across
1
Uprising against authority
3
Military blockade of a fortified place
4
Person owned as property
5
Freedom from outside control
11
Advanced stage of human society
13
Roman arena fighter
Down
2
Armed entry into another territory
6
Payment made to show submission
7
Metal that replaced bronze in tools
8
Government ruled by a king or queen
9
Handwritten historical document
10
Exchange of goods between peoples
12
Belonging to a very old period