The Computer Fraud and Abuse Act (CFAA) of 1986 was originally enacted to address hacking, specifically unauthorized access to computer systems. Option A (unsolicited emails) is covered by laws like CAN-SPAM. Option B (identity theft) is addressed by other statutes, like the Identity Theft and Assumption Deterrence Act. Option D (cyberbullying) is handled under state laws or cyberstalking regulations. This question falls under the Information Technology category, emphasizing cyberlaw.