横向
1
Metal that replaced bronze in tools
3
Medieval religious military campaign
6
Government ruled by a king or queen
7
Military conflict or fight
8
Union formed for mutual benefit
13
Sudden overthrow of a government
14
Government by the people
15
Armored warrior of medieval times
纵向
2
Person with no fixed home
4
Period of ten years
5
Practice of farming and growing food
9
Male monarch ruler
10
Object made by humans from the past
11
Movement of people to new areas
12
Period of one hundred years