Across
1
Ancient Mesoamerican civilization
3
Advanced stage of human society
4
Large territory under one ruler
5
Belonging to a very old period
6
Period of one hundred years
9
Armed entry into another territory
11
Armed conflict between nations
Down
1
Government ruled by a king or queen
2
Person owned as property
7
Person with no fixed home
8
Legislative assembly of a country
10
Union formed for mutual benefit