its strengthens the behavior
The main idea is <span>Factory workers are degraded at work and at home on a daily basis.
The excerpts above describes the past situation where factories did not even provide necessary salary to sustain the living of their hard-working labors, but they never had a chance to change jobs because they couldn't find another opportunity.</span>
1996, to reduce STDs and unwanted pregnancies
Since there are no options to choose from, my best answers would be:
encourages, discourages
********* Note I am not 100% sure that this is correct. This is just my best effort to help. *******************************************************************************