横向
1
Ancient empire that conquered much of Europe
4
Formal agreement between nations
5
Armed entry into another territory
7
Territory controlled by another country
8
Object made by humans from the past
11
Government ruled by a king or queen
14
Ancient Egyptian stone monument
纵向
2
Period of one hundred years
3
Government elected by the people
6
Advanced stage of human society
9
Ancient Mesoamerican civilization
10
Person who travels to discover new lands
12
Person with no fixed home
13
Person who buys and sells goods