The emerging body of law that governs transactions conducted via the Internet is referred to by the term: c. cyber law.
Explanation:
Cyber law is also known as Internet Law that legally deals with the transactions, activities and issues that happen through Internet and cyberspace.
Cyber law strives to fulfill the online privacy of the user and freedom of expression. Cyber law almost covers all the activities that happen through internet.
In the above scenario, Dave and Ellen decided to make a contract through e-mail. Dave was not satisfied with the performance of Ellen. There arises a dispute between Dave and Ellen, so Dave decided to file a suit against Ellen. As the contract was made through e-mail, this case comes under the Cyber Law.