Question: who exercises political control over the rest of the nation in the first book of The Hunger Games Trilogy?

<P0-S0> "The Hunger Games" universe is a fictional world appearing in "The Hunger Games" trilogy written by Suzanne Collins. <P0-S1>  It consists primarily of the fictional nation of Panem, its Capitol where the totalitarian government resides, and the outlying districts, numbered 1 to 12, each with a different economy. <P0-S2>  In addition, there is the secretive District 13, where a rebel force is building strength. <P0-S3>  The Hunger Games themselves are an annual event in which citizens from the districts, selected through a process called "reaping", are forced to participate in a battle to the death. <P0-S4>  The universe also contains fictional flora and fauna, such as the Mockingjay, a bird whose mimicry is used as a plot device, and after whom the third book in the series is named. <SEP> <P1-S0> The Hunger Games is a 2012 American dystopian science fiction adventure film directed by Gary Ross and based on the novel of the same name by Suzanne Collins. <P1-S1>  It is the first installment in "The Hunger Games" film series and was produced by Nina Jacobson and Jon Kilik, with a screenplay by Ross, Collins, and Billy Ray. <P1-S2>  The film stars Jennifer Lawrence, Josh Hutcherson, Liam Hemsworth, Woody Harrelson, Elizabeth Banks, Lenny Kravitz, Stanley Tucci, and Donald Sutherland. <P1-S3>  The story takes place in a dystopian post-apocalyptic future in the nation of Panem, which is divided into 12 districts, where a boy and a girl from each district, between the ages of 12 and 18 must take part in The Hunger Games, a televised annual event in which the "tributes" of each district, are required to fight to the death, until there is only one survivor. <P1-S4>  Katniss Everdeen (Jennifer Lawrence) volunteers to take her younger sister's place. <P1-S5>  With her district's male tribute, Peeta Mellark (Josh Hutcherson), Katniss travels to the Capitol to train for the Hunger Games under the guidance of former victor Haymitch Abernathy (Woody Harrelson). <SEP> <P2-S0>  As the sequel to the 2008 bestseller "The Hunger Games", it continues the story of Katniss Everdeen and the post-apocalyptic nation of Panem. <P2-S1> Catching Fire is a 2009 science fiction young adult novel by the American novelist Suzanne Collins, the second book in "The Hunger Games trilogy". <P2-S2>  Following the events of the previous novel, a rebellion against the oppressive Capitol has begun, and Katniss and fellow tribute Peeta Mellark are forced to return to the arena in a special edition of the Hunger Games. <SEP> <P3-S0> The Hunger Games is a 2008 dystopian novel by the American writer Suzanne Collins. <P3-S1>  The Capitol, a highly advanced metropolis, exercises political control over the rest of the nation. <P3-S2>  It is written in the voice of 16-year-old Katniss Everdeen, who lives in the future, post-apocalyptic nation of Panem in North America. <P3-S3>  The Hunger Games is an annual event in which one boy and one girl aged 12–18 from each of the twelve districts surrounding the Capitol are selected by lottery to compete in a televised battle to the death.