Across
1
Government elected by the people
4
Person with no fixed home
6
Metal that replaced bronze in tools
7
Advanced stage of human society
8
Ancient Mesoamerican civilization
11
Ancient empire that conquered much of Europe
13
Practice of farming and growing food
14
Male monarch ruler
Down
2
Person who buys and sells goods
3
Government ruled by a king or queen
5
Practice of establishing foreign colonies
9
Freedom from outside control
10
Payment made to show submission
12
Deadly epidemic disease
13
Union formed for mutual benefit