Question: Abi Morgan, writer of "Suffragette", is which nationality?
Context: Sex Traffic is a British-Canadian drama two-part series directed by David Yates, written by Abi Morgan, and produced by Veronica Castillo and Derek Wax.  The miniseries is about the trafficking of women and stars Anamaria Marinca and John Simm.  It was first shown in the UK and Canada in October 2004. Suffragette is a 2015 British historical period drama film about women's suffrage in the United Kingdom, directed by Sarah Gavron and written by Abi Morgan.  The film stars Carey Mulligan, Helena Bonham Carter, Brendan Gleeson, Anne-Marie Duff, Ben Whishaw, and Meryl Streep. Birdsong is a two-part 2012 television drama, based on the 1993 war novel "Birdsong" by Sebastian Faulks.  It stars Eddie Redmayne as Stephen Wraysford and Clémence Poésy as Isabelle Azaire and was directed by Philip Martin based on a screenplay by Abi Morgan. Abi Morgan (born 1968) is a British playwright and screenwriter known for her works for television, such as "Sex Traffic" and "The Hour", and the films "Brick Lane", "The Iron Lady", "Shame" and "Suffragette". River is a six-part British television drama series, created and written by Abi Morgan and starring Stellan Skarsgård and Nicola Walker.  It premiered on BBC One on 13 October 2015 and internationally on Netflix on 18 November 2015. The Mistress Contract is a 2014 play by the British playwright Abi Morgan.  It is based on a real-life couple in which the woman (known only as She) agreed to provide "mistress services" to the man (known only as He) in return for an income and home. The Hour is a 2011 BBC drama series centred on a new current-affairs show being launched by the BBC in June 1956, at the time of the Hungarian Revolution and Suez Crisis.  It stars Ben Whishaw, Dominic West, and Romola Garai, with a supporting cast including Tim Pigott-Smith, Juliet Stevenson, Burn Gorman, Anton Lesser, Anna Chancellor, Julian Rhind-Tutt, and Oona Chaplin.  It was written by Abi Morgan (also one of the executive producers, alongside Jane Featherstone and Derek Wax). The Invisible Woman is a 2013 British biographical drama film directed by Ralph Fiennes and starring Fiennes, Felicity Jones, Kristin Scott Thomas and Tom Hollander.  Written by Abi Morgan, and based on the book "The Invisible Woman" by Claire Tomalin, the film is about the secret love affair between Charles Dickens and Nelly Ternan, which lasted for thirteen years until his death in 1870.  The film premiered at the Telluride Film Festival on 31 August 2013, and was released in the United Kingdom on 7 February 2014.  The film received a Best Costume Design nomination (Michael O'Connor) at the 86th Academy Awards. Brick Lane is a 2007 British drama film directed by Sarah Gavron, at her directorial debut, and adapted from the novel of the same name by the British writer Monica Ali, published in 2003.  The screenplay was written by Laura Jones and Abi Morgan. White Girl is a 2008 BBC film written by Abi Morgan, made as part of the BBC's "White Season" and portrays a white family who move from an area of Leeds that has predominantly White British inhabitants to an area of Bradford composed of inhabitants of South Asian heritage.
Answer: British