Advocates of Deregulating Labor Law Argue That the Decline in Unionization

Advocates of deregulating labor law argue that the decline in unionization in the U.S.is due to the fact that:

A) Current labor law makes it too hard to organize new union members
B) There is a reduced need and desire for unions in today's society
C) Management is able to exploit the NLRA's weaknesses to avoid unionization
D) All of the above