横向
1
Roman arena fighter
4
Ancient Mesoamerican civilization
6
Person who travels to discover new lands
9
Ancient empire that conquered much of Europe
10
Person who buys and sells goods
11
Sudden overthrow of a government
13
Object made by humans from the past
纵向
2
Large territory under one ruler
3
Ancient Egyptian stone monument
5
Military blockade of a fortified place
7
Period of one hundred years
8
Handwritten historical document
12
Long and distinct period of history