Which Statement Is True Regarding Protection Provided by Labor Law

Multiple Choice

Which statement is true regarding protection provided by labor law to the picketing by the employees?

A) None of the picketing involved was protected by federal labor law.
B) Both picketing designed to inform the public and picketing designed to prevent services and deliveries to the employer are protected by federal labor law.
C) It is unclear whether the picketing was protected by federal law because protection depends on whether Amir himself had violated labor laws.
D) It is unclear whether the picketing was protected by federal law because protection depends on whether Amir employs over 50 employees.
E) Picketing designed to inform the public was protected by federal labor law,but picketing that prevented the delivery of service and deliveries was not protected.