The Farm Union Represents Farm Workers,some of Whom Are Employed

Multiple Choice

The Farm Union represents farm workers,some of whom are employed by Vino Wineries.The union is on strike against Vino and it is picketing all liquor stores that sell Vino products.The picketers are asking that no one buy anything from any liquor store that carries Vino products.There has been no violence.This picketing is:

A) an illegal secondary boycott
B) a legal secondary boycott
C) an illegal common situs picket
D) a legal common situs picket
E) an illegal hot cargo agreement