Question: What was the Cranberrie's most successful single to date while also serving as a protest song?

Context articles: No Need to Argue
Zombie (song)
I'm 'n Luv (wit a Stripper)
Revolutionary song
George Bush Doesn't Care About Black People
What Is Truth
Potential Breakup Song
Good People (song)
Pants on the Ground
Misfit (song)

No Need to Argue is the second studio album by the Irish rock band The Cranberries, released on 3 October 1994.
 It is the band's best selling album, and has sold about 17 million copies worldwide.
 It contains the band's most successful single to date, "Zombie".
 The album's mood is darker and harsher than that on "Everybody Else Is Doing It, So Why Can't We?
", released a year before.
 It shows a more mature performance by lead singer Dolores O'Riordan, writing about war, death, love and disappointment.
 Her voice is clearer, without the previous album's double and triple voice layering.
"Zombie" is a protest song by Irish rock band The Cranberries.
 It was released in September 1994 as the lead single from their second studio album, "No Need to Argue" (1994).
 The song was written by the band's lead singer Dolores O'Riordan, and reached No. 1 on the charts in Australia, Belgium, France, Denmark and Germany.
"I'm 'n Luv (Wit a Stripper)" (censored as "I'm 'n Luv (Wit a Dancer)") is a single performed by American singer T-Pain featuring rapper Mike Jones.
 Released in late 2005 (though the music video was not released until the week of January 16, 2006), it peaked at #5 on the "Billboard" Hot 100 chart, making it T-Pain's second top 10 single, and Mike Jones' first.
 This is T-Pain's third most successful single to date, tying with his other "Bartender", but Mike Jones's most successful single to date.
 The official remix is with Twista, Akon, R. Kelly, Too Short and more.
Revolutionary songs are political songs that advocate or praise revolutions.
 They are used to boost morale, as well as for political propaganda or agitation.
 Amongst the most well-known revolutionary songs are "La Marseillaise" and "The Internationale".
 Many protest songs can be considered revolutionary - or later become canonized as revolutionary songs following a successful revolution.
 On the other hand, once a revolution is established, some of the aspects of protest song may be considered counter-revolutionary.
"George Bush Doesn't Care About Black People" is a protest song by Houston-based hip hop duo The Legendary K.O.
 It was released on September 6, 2005, just days after Hurricane Katrina.
 The song was made available free on the Internet.
 The song was a single first made available from FWMJ's Rappers I Know website.
 It was released using the Creative Commons Attribution-NonCommercial-ShareAlike 2.5 license.
 It has been described as "vividly topical", and "one of the best political protest songs of all time".
"What Is Truth" is a single by American country music artist Johnny Cash released in February 1970.
 Generally viewed as a protest song, a rarity in country music at the time, the simple criticism of the Vietnam War, and war in general, as well as the stereotypical view of many politically liberal hippies made the song a major crossover hit.
 The song peaked at number 3 on the "Billboard" Hot Country Singles.
 It also became Cash's 12th Top 40 single on the Hot 100 chart, peaking at number 19, and his 2nd Top 10 single on the Adult Contemporary chart, peaking at Number 4.
 It also reached number 1 on the "RPM" Country Tracks chart in Canada.
"Potential Breakup Song" is a song co-written and performed by American duo Aly & AJ, and is the first single from their second studio album, "Insomniatic".
 It was a very successful single in the summer and early fall of 2007, topping many video countdowns, and becoming Aly & AJ's most successful single to date.
 At the time, was highest selling single by a Hollywood Records artist, as it was certified platinum by the RIAA for sales over 1,000,000 copies. "
Time" magazine ranked "Potential Breakup Song" the ninth best song of 2007.
 The song received positive reviews from other music critics as well, many praising its lyrical content and its maturity, as well as the "adventurous" synth-based production.
"Good People" is a protest song written and performed by Jack Johnson.
 It is the fourth track on the album "In Between Dreams" and was released as a single in June 2005.
 Though the song has a positive and relaxing sound, it is a critic of contemporary television, especially with regard to frequent violence, and its effect on society.
 The song is similar to the song "Cookie Jar" from Johnson's previous album "On and On", which also draws attention to the issue, but with a more explicit protest and melancholic sound.
“Pants on the Ground” is a novelty/protest song which, in 2010, became the first single that civil rights activist "General" Larry Platt, who co-wrote it, released.
 The song is meant to protest the practice of sagging.
 It was released on American King Music on February 4, 2010.
 The song became an internet meme after being performed during the Atlanta audition for "American Idol" that aired on January 13, 2010.
"Misfit" is the second single from UK singer Amy Studt.
 Released on 9 June 2003, the single reached a peak of #6 in the charts and is Studt's most successful single to date.
 It was also the most successful single internationally.
 It is taken from her debut album, "False Smiles".
 The song is criticizing those who conform, labelling them superficial and saying it is all right to be a misfit.