横向
1
Sudden overthrow of a government
3
Period of ten years
6
Ancient Mesoamerican civilization
7
Military blockade of a fortified place
9
Government by the people
11
Medieval land-for-service system
12
Payment made to show submission
13
Relating to the Middle Ages
纵向
2
Exchange of goods between peoples
4
Formal agreement between nations
5
Person with no fixed home
8
Freedom from outside control
10
Legislative body in ancient Rome
14
Armored warrior of medieval times
15
Government ruled by a king or queen