横向
1
Ancient Egyptian ruler
3
Payment made to show submission
7
Ancient empire that conquered much of Europe
9
Person who travels to discover new lands
10
Fortified medieval residence
11
Government ruled by a king or queen
纵向
2
Legislative body in ancient Rome
4
Person with no fixed home
5
Movement of people to new areas
6
Freedom from outside control
8
Armored warrior of medieval times
12
Medieval land-for-service system