Which term refers to the condition of workers who could never afford to pay
what they owed to a company store?

Debt peonage

Explanation:

Workers who could not pay off their debts to a store would be made to work for the store instead so as to pay off that debt in another way. This is called debt peonage.

a historian who compares the expansion of political systems to the expansion of economic systems to the expansion of economic systems is organizing history by theme.

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