Out of all of them, Switzerland would be the one that was neutral.
There was a 20% chance that you would be employed as a prostitute if you were a woman in the "Old American West”.
In the Old American West, the mining population was composed of 95% young and male people so a high demand during that time was female companionship. Saloons also doubled as a brothel during this time.
#2 is the correct answer since they are the closest to conquer