Which of the followings is not a challenge in regulating the internet?

a. How to reconcile conflicting law and policies between different sovereign states where large technology and technologies companies are operating.

b. Whether the regulation should be conducted by the media company or by the government.

c. How to make sure that the internet intermediaries can still make money after enforcing regulations.

d. How to strike a balance between safeguarding the freedom of the individuals while protecting social order and stability.