横向
1
Period of one hundred years
4
Military blockade of a fortified place
6
Long and distinct period of history
7
Sudden overthrow of a government
8
Person who travels to discover new lands
11
Person owned as property
纵向
2
Freedom from outside control
3
Alloy of copper and tin used in early tools
5
Exchange of goods between peoples
9
Government by the people
10
Relating to the Middle Ages