Across
1
Person who travels to discover new lands
4
Armed entry into another territory
6
Government elected by the people
8
Ancient Egyptian ruler
10
Ancient empire that conquered much of Europe
Down
2
Person who buys and sells goods
3
Person owned as property
5
Military blockade of a fortified place
7
Metal that replaced bronze in tools
9
Medieval religious military campaign
11
Sudden overthrow of a government
