Across
1
Alloy of copper and tin used in early tools
5
Metal that replaced bronze in tools
6
Person with no fixed home
8
Belonging to a very old period
9
Long and distinct period of history
10
Person who buys and sells goods
11
Deadly epidemic disease
Down
2
Armored warrior of medieval times
3
Practice of farming and growing food
4
Person who travels to discover new lands
7
Fundamental law of a nation
12
Exchange of goods between peoples