Which of the Following Constitutes Concerted Activity Protected by the NLRA

Multiple Choice

Which of the following constitutes concerted activity protected by the NLRA?

A) activities of a single employee to entice other employees to join a union
B) activities of a group of employees to entice other employees to join a union
C) discussions among employees about a plan to use violence, if necessary, to coerce other employees into joining a union
D) Both A and B