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Occasionally the PL or NVA conscripted local villagers as coolies and paid them
a salary, but this was generally considered too little to
the laborers.

Word:

exploited

Question:

Why was the salary paid to the local villagers considered too little by the laborers?

Answer (optional):

The salary paid to the local villagers was considered too little by the laborers because it was generally not enough to satisfy their needs.