Across
1
Belonging to a very old period
5
Person who travels to discover new lands
6
Ancient Egyptian stone monument
7
Relating to the Middle Ages
9
Movement of people to new areas
13
Ancient Egyptian ruler
14
Long and distinct period of history
Down
2
Armed entry into another territory
3
Formal agreement between nations
4
Advanced stage of human society
8
Armed conflict between nations
10
Ancient Mesoamerican civilization
11
Period of one hundred years
12
Freedom from outside control