A Yellow Dog Contract Is A(n)

A yellow dog contract is a(n)

A) signed contract by a worker that he/she will not join a union if hired
B) signed contract by a worker that he/she will join a union if hired
C) prolabor provision in a contract that only union members will be employed
D) agreement by a union member that he/she will not join any other union
E) agreement by a worker that he/she will not go on strike