Which of the Following Statements Is False About the Evolution

Which of the following statements is false about the evolution of employee discipline?

A) It wasn't until the 1970s that employers could be held legally accountable for their disciplinary actions.
B) In the 18th and 19th centuries, employers exercised uncontrolled discretion relating to employee discipline.
C) Frederick W. Taylor was among the first management thinkers to advocate a disciplinary approach that focuses on correction rather than discharge.
D) At one time, an employee could be disciplined by having his tongue burned or being whipped in public for speaking to management in an insolent or rude manner.
E) The protections against wrongful disciplinary actions initially afforded by the Wagner Act applied only to employees covered by a collective bargaining agreement.