Why did Hippocrates develop the Hippocratic oath?

to encourage doctors to experiment on their patients
to encourage doctors to talk about their patients
to encourage doctors to use ethical practices
to encourage doctors to diagnose patients without asking questions

The correct answer is: to encourage doctors to use ethical practices. The Hippocratic oath is a code of ethics for physicians that emphasizes the importance of treating patients with honesty, compassion, and respect. It also includes a pledge to uphold certain ethical standards and to do no harm to patients.