横向
1
Payment made to show submission
4
Ancient Mesoamerican civilization
5
Person with no fixed home
6
Handwritten historical document
7
Period of one hundred years
8
Metal that replaced bronze in tools
9
Formal agreement between nations
纵向
2
Belonging to a very old period
3
Ancient empire that conquered much of Europe
4
Movement of people to new areas
6
Collection of traditional stories