横向
1
Succession of rulers from same family
4
Relating to the Middle Ages
5
Person who buys and sells goods
7
Belonging to a very old period
10
Practice of farming and growing food
纵向
2
Exchange of goods between peoples
3
Long and distinct period of history
4
Ancient Mesoamerican civilization
5
Government ruled by a king or queen
6
Person with no fixed home
8
Government by the people
9
Handwritten historical document