横向
1
Male monarch ruler
3
Medieval religious military campaign
4
Period of one hundred years
8
Metal that replaced bronze in tools
10
Advanced stage of human society
11
Armed conflict between nations
纵向
2
Government elected by the people
5
Ancient Mesoamerican civilization
6
Formal agreement between nations
7
Practice of farming and growing food
9
Long and distinct period of history
12
Armored warrior of medieval times
13
Person with no fixed home
14
Large territory under one ruler
15
Armed entry into another territory