Across
1
Sudden overthrow of a government
6
Metal that replaced bronze in tools
7
Long and distinct period of history
8
Roman arena fighter
9
Handwritten historical document
12
Exchange of goods between peoples
13
Payment made to show submission
15
Medieval religious military campaign
Down
2
Practice of farming and growing food
3
Government ruled by a king or queen
4
Freedom from outside control
5
Union formed for mutual benefit
10
Alloy of copper and tin used in early tools
11
Person who travels to discover new lands
14
Fortified medieval residence
