横向
1
Person who buys and sells goods
2
Period of one hundred years
3
Succession of rulers from same family
5
Armed entry into another territory
6
Government ruled by a king or queen
7
Movement of people to new areas
8
Relating to the Middle Ages
纵向
1
Ancient Mesoamerican civilization
2
Fundamental law of a nation
4
Government elected by the people
9
Government by the people