横向
1
Alloy of copper and tin used in early tools
4
Belonging to a very old period
5
Military conflict or fight
6
Handwritten historical document
8
Medieval land-for-service system
11
Relating to the Middle Ages
13
Medieval religious military campaign
纵向
2
Movement of people to new areas
3
Fortified medieval residence
4
Union formed for mutual benefit
7
Person who travels to discover new lands
9
Ancient empire that conquered much of Europe
10
Advanced stage of human society
12
Practice of establishing foreign colonies