The detour caused much 'confusion'. [=the detour confused many people; the detour made many people uncertain about which roads to use]
Changing the name of the company will only lead to 'confusion'. [=make people uncertain]
There was total/mass 'confusion' when the truck hit the restaurant.
(..) It was, rather, my final remittance that I was interested in. My last little joy. I'm sorry, Your Grace. She has arrived, but there was some confusion at the agency. They've sent a new girl who, I'm afraid, is a little older than usual. Older? Oh, dear. She's not too old, I trust? (..)2005 V for Vendetta