横向
1
Armed entry into another territory
6
Person who travels to discover new lands
7
Union formed for mutual benefit
8
Formal agreement between nations
9
Period of one hundred years
10
Government elected by the people
11
Practice of establishing foreign colonies
12
Government ruled by a king or queen
13
Male monarch ruler
纵向
2
Freedom from outside control
3
Ancient Mesoamerican civilization
4
Roman arena fighter
5
Legislative assembly of a country