横向
1
Armed entry into another territory
3
Fortified medieval residence
5
Ancient Mesoamerican civilization
8
Formal agreement between nations
12
Payment made to show submission
纵向
2
Government by the people
4
Government elected by the people
6
Ancient Egyptian stone monument
7
Military conflict or fight
9
Territory controlled by another country
10
Long and distinct period of history
11
Belonging to a very old period