$107-56-$With regard to labour relations, what is an injunction?$1317212331$U$14182303438151927313812162024283230340$O a$.$ A term used by management to appoint a representative during a labour dispute. b$.$ The residue of management's pre$-$existing functions that remain after negotiations. O c$.$ A judicial order which may limit the number of picketers at a site and$/$or require the employees to return to work. d$.$ An illegal walkout, also known as a "wildcat" strike.