Across
1
Metal that replaced bronze in tools
2
Period of ten years
3
Practice of establishing foreign colonies
4
Relating to the Middle Ages
5
Person who buys and sells goods
6
Roman arena fighter
7
Medieval land-for-service system
9
Male monarch ruler
Down
1
Armed entry into another territory
3
Advanced stage of human society
8
Medieval religious military campaign
10
Legislative body in ancient Rome