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.
(..) Mr. Plainview! Please, Mr. Plainview. No, Mr. Plainview! No, where are you going? -I don't need the lease. Thank you. -But we need you. Too much confusion. Thank you for your time. No, no, there's no confusion. I wouldn't take the lease if you gave it to me as a gift. Mr. Bankside, (..)2007 There Will Be Blood