Which of These Factors Contributed to the Tremendous Increase in Commercialized

Which of these factors contributed to the tremendous increase in commercialized sex in the new cities of the mid-nineteenth century?

A) Mainstream churches' timidity about addressing sexual issues explicitly
B) The subsistence wages and exploitative conditions of women's jobs
C) An influx of immigrants from Southern and Eastern European countries
D) Cities' refusal to pass legislation banning prostitution and pornography