Across
1
Deadly epidemic disease
4
Government ruled by a king or queen
6
Person who buys and sells goods
9
Medieval land-for-service system
10
Armed conflict between nations
12
Military blockade of a fortified place
Down
2
Ancient Egyptian picture writing
3
Practice of establishing foreign colonies
4
Ancient Mesoamerican civilization
5
Union formed for mutual benefit
7
Collection of traditional stories
8
Advanced stage of human society
11
Period of ten years