横向
1
Metal that replaced bronze in tools
3
Relating to the Middle Ages
5
Government by the people
6
Ancient Egyptian ruler
纵向
2
Exchange of goods between peoples
3
Person who buys and sells goods
4
Government elected by the people
7
Succession of rulers from same family
8
Armed entry into another territory
9
Uprising against authority
10
Person who travels to discover new lands
11
Long and distinct period of history