what is the political system of nigeria?
Federal republic
entailment
 The 1996 constitution establishes a second house of parliament , the 100 @-@ seat Senate , was established in April 2013 and is headed by a senate president who is the constitutional successor in case of untimely vacancy of the presidency . The government recognises the authority of traditional chiefs , fons , and lamibe to govern at the local level and to resolve disputes as long as such rulings do not conflict with national law . 

contradiction
 Nigeria produced its own version of Sesame Street , called Sesame Square , in 2010 . Previously , they aired the US version . Funded in part by a grant from the US government , the show focused on AIDS , malaria nets , gender equality , and yams . It also featured the HIV @-@ positive Muppet Kami from the South African co @-@ production . 

contradiction
 Nigeria produced its own version of Sesame Street , called Sesame Square , in 2010 . Previously , they aired the US version . Funded in part by a grant from the US government , the show focused on AIDS , malaria nets , gender equality , and yams . It also featured the HIV @-@ positive Muppet Kami from the South African co @-@ production . 

neutral
 Politically , the new state had semi @-@ presidential constitution , known as the loi fondamentale , in which executive power was shared between President and Prime Minister in a system known as bicephalisme . Kasa @-@ Vubu was proclaimed President , and Lumumba Prime Minister , of the Republic of the Congo . Despite the objections of CONAKAT and others , the constitution was largely centralist , concentrating power in the central government in Léopoldville , and did not devolve significant powers to provincial level . 

entailment
 The Nigerian government , under the leadership of General Yakubu Gowon , was backed by the British government ; the two nations enjoyed a vigorous trade partnership . Addressing the causes of the war in 1968 , Achebe lashed out at the Nigerian political and military forces that had forced Biafra to secede . He framed the conflict in terms of the country 's colonial past . The writer in Nigeria , he said , " found that the independence his country was supposed to have won was totally without content ... The old white master was still in power . He had got himself a bunch of black stooges to do his dirty work for a commission . " 
