横向
1
Person who buys and sells goods
5
Medieval religious military campaign
6
Alloy of copper and tin used in early tools
7
Metal that replaced bronze in tools
8
Succession of rulers from same family
9
Practice of farming and growing food
10
Person with no fixed home
纵向
2
Payment made to show submission
3
Formal agreement between nations
4
Sudden overthrow of a government