横向
1
Ancient Mesoamerican civilization
2
Medieval religious military campaign
3
Exchange of goods between peoples
6
Payment made to show submission
7
Belonging to a very old period
11
Long and distinct period of history
纵向
2
Period of one hundred years
4
Large territory under one ruler
5
Object made by humans from the past
8
Person with no fixed home
9
Fortified medieval residence
10
Ancient Egyptian stone monument