Acentury ago studies of objects were largely studies of material culture and the technology available to people living in small-scale societies with simple technologies. the modern anthropological approach to objects has done which of the following?

This has created cultural relativism. it is a phenomenon of understanding a person's beliefs due to his cultural background. With modernisation and advancements, material culture has also increased and now small-societies also have the access to all the large materials. 

Yes all of them are right