Across
1
Armed entry into another territory
5
Formal agreement between nations
7
Alloy of copper and tin used in early tools
8
Period of one hundred years
11
Succession of rulers from same family
Down
2
Military blockade of a fortified place
3
Legislative body in ancient Rome
4
Advanced stage of human society
6
Male monarch ruler
9
Territory controlled by another country
10
Government ruled by a king or queen