Across
1
Person with no fixed home
4
Metal that replaced bronze in tools
5
Government elected by the people
6
Person who buys and sells goods
7
Person who travels to discover new lands
8
Relating to the Middle Ages
9
Military blockade of a fortified place
11
Territory controlled by another country
Down
2
Sudden overthrow of a government
3
Armed entry into another territory
7
Long and distinct period of history
10
Ancient Egyptian picture writing
12
Legislative assembly of a country
13
Practice of establishing foreign colonies