 Barbara <unk> of The Bergen Record likened " Mothers of the Disappeared " to " New Year 's Day " and " Pride ( In the Name of Love ) " , stating that the band used all three to " stir political consciousness and to urge social commitment . " Thirteen years later , Ryan Jones , in his review of U2 's 2000 album All That You Can 't Leave Behind for the same publication , said the song " Peace on Earth " contained echoes of " Mothers of the Disappeared " in its lyrics and the tone of the instrumental prelude . In reviewing the group 's 2009 album No Line on the Horizon , Mueller said the closing " <unk> of Lebanon " " maintains this essentially optimistic group 's counter @-@ intuitive tradition of ending their albums with <unk> <unk> " , likening it to " Mothers of the Disappeared " . <unk> believed that the song had its roots in " the <unk> purity of traditional Irish music " . According to <unk> the song is " notorious " in Central and South America , and it is often " played as an act of defiance " by the Madres . Art for Amnesty cited the song , and the effect it had in spreading Amnesty International 's human rights message , as one of the reasons why U2 were awarded the Ambassador of Conscience Award by the organization in 2005 . 
