Straight Arrow Unloaded Two Tankers Worth of Toxic Waste at a Port

Straight Arrow unloaded two tankers worth of toxic waste at a port in a foreign nation. Two hundred men and boys worked two days in their shorts and sandals to unload the barrels from the tankers for $5 a day. They were not told about the content of the barrels. Some observers felt that it was the obligation of not just the government, but also of Straight Arrow to ensure that no harm was done to the workers. These observers are most likely

A) justice theorists.
B) cultural relativists.
C) naive immoralists.
D) rights theorists.
E) utilitarianists.