Pervaded is from the root word pervade. The word pervade (in the context of the sentence question) means to spread through. Rewriting the sentence we have:- On the day of Mini’s wedding, noise and great excitement spread through the house.
Noise and excitement are not the only things that can pervade or spread through a place. Other things that are capable of spreading through a place are smell, idea e.t.c
Yes systematic racism does still exist today minorities are still discriminated to this day based on their skin color they can get denied service and even jobs etc
