"Even in US we can find certain domains which are blocked and cannot be accessed like those which contain CP or wild anti-humanism contents." Is it true? I alw

"Even in US we can find certain domains which are blocked and cannot be accessed like those which contain CP or wild anti-humanism contents." Is it true? I always assumed US never blocks access to websites. They would rather ask the hosting provider to take down the website or try to arrest the author.