From a global perspective, prostitution is most common in question 8 options:

The answer is "poor nations, where women have fewer economic opportunities".

Poverty or neediness is the essential main factor behind ladies getting to be prostitutes. Prostitution is a constraint of ladies and kids, and uses the defenselessness of neediness to additionally misuse them. 
All through the world there are constrained and to a great degree rare open doors for ladies who are uneducated and ruined. As per the Social Weather Station, factually this is a similar populace with the most astounding rate of kids that makes extra economic pressure. There is no necessity for being a sex worker. It requires no training, no references and no experience.

Ibelive the answer is a