The method of social engineering that could be used to deliver ransomware is; email phishing
Ransomware is simply a type of social engineering that criminals use to steal data, infect computers, and infiltrate company networks.
Now, the most popular form of social engineering that could be used to deliver ransomware is email phishing. This is because email Phishing has become more pervasive and dangerous these days as it is used when attackers/criminals send fraudulent emails that either contain dangerous links or exploitative requests.
Read more about email phishing at; https://brainly.com/question/26072214