How did Shi Huangdi break the feudal system?

following up on Li Si's recommendation, Shi Huangdi nullified the old medieval framework, which had dispersed most terrains to amazing rulers. ... To promote his grip of intensity and control, Shi Huangdi requested all the imperial groups of the vanquished realms to move to his capital city of Xianyang. There he could oversee them.

i have to go with a for this one

b hope this