What step did the army take to make sure soldiers didn't catch trench foot?

To prevent trench foot, the army implemented measures such as ensuring soldiers kept their feet dry and warm by providing waterproof boots and socks. They also emphasized the importance of regular foot inspections and encouraged soldiers to change out of wet clothing promptly. Additionally, troops were instructed to maintain proper hygiene and to avoid standing in water for extended periods. These steps were crucial in mitigating the risk of this painful condition in the harsh trench environments.