Nigeria relatively little violence or voter fraud, in contrast to previous elections. In the March 2015 election, Muhammadu Buhari defeated Goodluck Jonathan by roughly 2 million votes. Observers generally praised the election as being fair. Jonathan was generally praised for conceding defeat and limiting the risk of unrest. Nigeria is a federal republic modelled after the United States, with executive power exercised by the President. It is influenced by the Westminster System model in the composition and management of the upper and lower houses of the bicameral legislature. The president presides as both head of state and head of the federal
June 2014 Northern Nigeria attacks made, but media reports generally linked the bombing to Boko Haram. A week earlier, government intelligence indicated the group was planning to hijack gasoline trucks and drive them into the capital, strapped with improvised explosive devices. June 2014 Northern Nigeria attacks Between 23 and 25 June 2014, a series of attacks occurred in central Nigeria. On 23–24 June, gunmen attacked a number of villages in Kaduna State, killing around 150 people. The attack was blamed on Fulani tribesmen. On 25 June 2014, a bomb exploded at the Emab Plaza in the national capital of Abuja, killing at least 21 people.