横向
1
Movement of people to new areas
6
Medieval religious military campaign
7
Ancient Mesoamerican civilization
8
Person who buys and sells goods
纵向
2
Person who travels to discover new lands
3
Belonging to a very old period
4
Period of one hundred years
5
Alloy of copper and tin used in early tools
9
Ancient empire that conquered much of Europe
10
Roman arena fighter
11
Practice of establishing foreign colonies