Across
1
Armed entry into another territory
3
Metal that replaced bronze in tools
6
Government ruled by a king or queen
7
Practice of farming and growing food
8
Ancient Mesoamerican civilization
9
Medieval religious military campaign
11
Period of one hundred years
Down
2
Government elected by the people
3
Freedom from outside control
4
Male monarch ruler
5
Roman arena fighter
10
Ancient empire that conquered much of Europe
12
Object made by humans from the past