<prompt> Translate the following text to SwahiliSupreme Court decision last year that struck down on First Amendment grounds a law that limited what lawyers could argue when representing clients in welfare cases.  <response>: Mahakama ya Juu ya Marekani imepinga marekebisho ya sheria ya kwanza ya Marekani ambayo yalipunguza uwezo wa wanasheria wa kuwakilisha wateja wao katika kesi za misaada. 