横向
1
Payment made to show submission
3
Fortified medieval residence
5
Medieval land-for-service system
6
Movement of people to new areas
7
Ancient empire that conquered much of Europe
9
Formal agreement between nations
10
Advanced stage of human society
纵向
2
Male monarch ruler
3
Period of one hundred years
4
Military blockade of a fortified place
6
Person who buys and sells goods
8
Belonging to a very old period