Across
1
Military blockade of a fortified place
4
Period of one hundred years
6
Legislative assembly of a country
7
Object made by humans from the past
9
Armed entry into another territory
10
Advanced stage of human society
Down
2
Union formed for mutual benefit
3
Roman arena fighter
5
Person owned as property
8
Fundamental law of a nation
11
Formal agreement between nations
12
Ancient Mesoamerican civilization