Question: Pierce the Veil and Bright Eyes, are of which nationality?

Context paragraphs:
Noise Floor (Rarities: 1998–2005): Noise Floor (Rarities: 1998–2005) is a compilation of previously recorded but unreleased or hard-to-find songs by Bright Eyes.  The compilation album collects selected Bright Eyes singles, one-offs, unreleased tracks, collaborations and covers recorded between 1998 and 2005.

Letting Off the Happiness: Letting Off the Happiness is the second album released by the indie rock band Bright Eyes.  The album was released on November 2, 1998.  It was the first release by Bright Eyes to feature and be produced by Mike Mogis, now a permanent member of the band.  A vinyl re-release of the album was included in the Bright Eyes Vinyl Box Set in 2012.  Guest musicians include members of Neutral Milk Hotel, Tilly and the Wall, and Of Montreal.

Matt Oberst: Matt Oberst (  1974 – 2016) was an American musician.  He was the brother of Bright Eyes frontman Conor Oberst.  He was in the band Sorry About Dresden since 1996.  He is also listed as helping with the creation/production of a few Bright Eyes albums, and a few albums released under Saddle Creek Records.

Neva Dinova: Neva Dinova is an indie band from Omaha, Nebraska.  Neva Dinova is named after the grandmother of lead singer Jake Bellows.  They have been on crank!  a record company (though their second release was licensed to Sidecho Records), and have recorded a split-release with Bright Eyes entitled "One Jug of Wine, Two Vessels" that was also released on crank!  a record company.  In April 2008, Neva Dinova released their first album from Saddle Creek Records entitled, "You May Already Be Dreaming".  Drummer Roger Lewis is also the drummer for fellow Saddle Creek band, The Good Life, with whom Jake Bellows completed a solo tour in the fall of 2016.  Jake Bellows remained a key associate with Bright Eyes in 2006 and 2007 and contributed to the album "Cassadaga".

Bright Eyes (band): Bright Eyes is an American indie rock band founded by singer-songwriter and guitarist Conor Oberst.  It consists of Oberst, multi-instrumentalist and producer Mike Mogis, trumpet and piano player Nate Walcott, and a rotating lineup of collaborators drawn primarily from Omaha's indie music scene.

Don't Be Frightened of Turning the Page: Don't Be Frightened of Turning the Page is an EP by Nebraska band Bright Eyes released in 2001.  It was released only in Japan and the UK, and contains the four Bright Eyes songs from their 2001 split with Son, Ambulance, entitled "", as well as two additional songs.

Ian McElroy: Ian M. McElroy is a musician from Omaha, Nebraska, who played keyboards for Desaparecidos from 2001 to 2003 and was one of the founding members of the group.  He played keyboards for Bright Eyes at one time and contributed to Criteria's album En Garde.  Bright Eyes, Sorry About Dresden, Cursive, and Desaparecidos performed at a benefit concert for his brother Collin in 2001.  McElroy's rap project, Rig.  1, is signed to Team Love Records, and released "Above the Tree Line, West of the Periodic" in 2008.  Ian is also the cousin of indie musician and fellow Desaparecidos member Conor Oberst.

Anthony D'Amato: Anthony D'Amato is an American songwriter and singer signed to New West Records.  His latest album is 2016's 'Cold Snap,' produced by Mike Mogis (Bright Eyes, First Aid Kit) and featuring performances by Conor Oberst and members of Bright Eyes, The Faint, and Cursive.

Bright Eyes vs Her Space Holiday: Bright Eyes vs Her Space Holiday is an EP by Bright Eyes and Her Space Holiday.  It was released in 2000 on the Wichita Recordings label.

Pierce the Veil: Pierce the Veil is an American rock band from San Diego, California.  Formed in 2006, the band was founded by brothers Vic and Mike Fuentes after the disbandment of the group Before Today (formerly Early Times), which was formed out of the San Diego punk rock scene.  Other members of the band include Jaime Preciado (bass) and Tony Perry (lead guitar).  Pierce the Veil has released three studio albums and has toured worldwide since the release of their debut album, "A Flair for the Dramatic" in 2007.  The band released their second full-length studio album, titled "Selfish Machines" in 2010.  Their third album, "Collide with the Sky", was released in 2012, and is their first album under the Fearless Records label.  Featuring the hit first single "King for a Day", the album debuted at No. 12 on the "Billboard 200".  Their fourth and latest album, "Misadventures", was released on May 13, 2016.

Supporting paragraphs: Pierce the Veil Bright Eyes (band)
Answer: American