Union Carpenters Refused to Work for a Brewing Company

Essay

Union carpenters refused to work for a brewing company.They also refused to be involved in the construction work that was carried out in the company and for its adjoining tenant.They attempted to persuade members of other unions similarly to refuse to work,and picketed the brewer's premises,displaying signs that read "Unfair to Organized Labor." In this case,are the actions of the employees protected from federal prosecution?