Shay's Rebellion created pressure because the government wasn't strong enough interfere or stop the rebellion so they needed to create a private army to stop it proving that the government was weak
I believe the answer is: <span> C. hyperbaric oxygen treatment
</span><span> hyperbaric oxygen treatment is aimed to improve the patient's natural healing process by exposing the patient to oxygen at greater pressure that normal people usually experience. This treatment is most commonly used as side treatment for autism, diabetes, or monoxide poisoning.</span>
