5. in many countries of the world, labor formed its
9. both workers and the work they do can be

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5. In many countries of the world, labor formed its own party. These types of parties stood to represent the workers' rights in the society. They fought to give the laborers what they needed to successfully do their jobs in good conditions.
9. Both workers and the work they do can be called labor. This noun can represent both the employee who works in a particular location, and the work that he or she is doing. It is interchangeable, meaning that it can represent both of those ideas.