Across
1
Sudden overthrow of a government
6
Period of one hundred years
8
Medieval land-for-service system
9
Union formed for mutual benefit
11
Movement of people to new areas
12
Uprising against authority
13
Medieval religious military campaign
Down
2
Object made by humans from the past
3
Alloy of copper and tin used in early tools
4
Armored warrior of medieval times
5
Advanced stage of human society
7
Person with no fixed home
10
Ancient empire that conquered much of Europe