横向
1
Government elected by the people
3
Formal agreement between nations
6
Long and distinct period of history
7
Alloy of copper and tin used in early tools
8
Person with no fixed home
9
Legislative assembly of a country
10
Fortified medieval residence
11
Belonging to a very old period
12
Military blockade of a fortified place
纵向
2
Person who travels to discover new lands
4
Relating to the Middle Ages
5
Handwritten historical document