Which statement about the power of labor unions is true?
a. U.S. courts regularly sided with unions in their disputes with factory owners.
b. The American public overwhelmingly supported the cause of labor unions.
c. A union could shut down a factory by calling on its members to strike.
d. Business leaders feared unions and almost always gave in to their demands.
Generally speaking, it is true that "c. A union could shut down a factory by calling on its members to strike," since unions often contained a majority of the workers in certain factories.
