Norichika is researching for a post about the cultural significance of hip-hop music. which is the most reliable source for his research?

a record company’s site that advertises new hip-hop artists
a university study about hip-hop music and society
a wiki site about the history of hip-hop music in the united states
a personal blog about the best new hip-hop artists

Norichika is researching for a post about the cultural significance of hip-hop music. Which is the most reliable source for his research?

The correct answer is, A university study about hip-hop music and society.  

his humanity shines from every page as he bears witness to the tragedy which befell the jewish race at the hands of the nazis. wiesel was a romanian-born jew whose home town of sighet was occupied by the hungarians for most of the second world war. in may 1944, all the jews in the area were forced into cattle wagons and transported to auschwitz.