Across
1
Person who travels to discover new lands
4
Advanced stage of human society
6
Male monarch ruler
9
Collection of traditional stories
11
Long and distinct period of history
13
Armed entry into another territory
Down
2
Armed conflict between nations
3
Ancient Egyptian stone monument
5
Military blockade of a fortified place
7
Metal that replaced bronze in tools
8
Practice of establishing foreign colonies
10
Large territory under one ruler
12
Person with no fixed home