Answer:
Tupac became famous after turning most of the poetry he wrote in school into music. The rap and hip-hop communities were affected because of 2Pac, some negatively, some positively. Racism influenced Tupac's music, as it explains the hardships black people had to go through in the 70's, 80's, and 90's. He was one of the celebrities who ended up famous after growing up in poverty. His mother, Afeni Shakur, was a member of the Black Panther Party, a patrol group who watched over black neighborhoods for police brutality. Most people are interested in him because they finally understand that Tupac's music had no intention to hate on anyone, he was just explain the struggles that man had brought up in the world he was born and raised in.
TL;DR Tupac's music had finally been acknowledged by society because they understood the meaning to his music.