Across
1
Person owned as property
4
Freedom from outside control
5
Object made by humans from the past
6
Alloy of copper and tin used in early tools
7
Period of one hundred years
8
Exchange of goods between peoples
Down
1
Military blockade of a fortified place
2
Period of ten years
3
Payment made to show submission
9
Person who buys and sells goods
10
Deadly epidemic disease
11
Armed conflict between nations