Across
1
Government elected by the people
2
Formal agreement between nations
4
Belonging to a very old period
5
Movement of people to new areas
9
Ancient Egyptian ruler
11
Armed entry into another territory
13
Armored warrior of medieval times
Down
1
Sudden overthrow of a government
3
Ancient Egyptian stone monument
6
Armed conflict between nations
7
Advanced stage of human society
8
Ancient Mesoamerican civilization
10
Person who buys and sells goods
12
Legislative assembly of a country