Complex sentence: The Good Samaritan provision of the Communications Decency Act established immunity from liability for third party content on grounds of libel or slander, and the DMCA established that ISPs which comply with the DMCA would not be liable for the copyright violations of third parties on their network.
Split into simpler sentences: The Good Samaritan provision of the Communications Decency Act established immunity from liability for third party content on grounds of libel or slander. The DMCA established that ISPs which comply with DMCA would not be liable for the copyright violations of third parties on their network.