Final answer:
The claim that employers cannot operate during a strike is false. Labor laws allow various employer responses, including hiring replacements or legal actions, and the president may impose a 'cooling-off period' for disruptive strikes.
Step-by-step explanation:
The statement "Under no circumstances is an employer allowed to operate during a strike" is false. Employers may continue operations during a strike, but they face certain legal and practical challenges in doing so. Labor laws established during the Great Depression allow workers the right to form unions and engage in collective bargaining and striking. In the event of a strike, employers have a range of options such as hiring replacement workers or, under certain circumstances, seeking legal injunctions against the strike.
Additionally, for strikes deemed to disrupt societal functioning severely (particularly in the public sector), the president may declare a 'cooling-off period' during which workers must return to work.