Across
1
Metal that replaced bronze in tools
4
Fortified medieval residence
6
Period of one hundred years
7
Handwritten historical document
8
Military blockade of a fortified place
Down
2
Ancient empire that conquered much of Europe
3
Person with no fixed home
5
Armed entry into another territory
9
Exchange of goods between peoples
10
Person who buys and sells goods
11
Practice of establishing foreign colonies
12
Armored warrior of medieval times