article_snippet.sent: (CNN)The last time Muhammadu Buhari's came to power in Nigeria, it was by force.
article_snippet.sent: Muhammadu Buhari's, 72, won Nigeria's presidential election, defeating incumbent Goodluck Jonathan by about two million votes.
article_snippet.sent: Nigeria is significant because Nigeria is the biggest economy and most populous country in Africa; Nigeria is also one of Africa's largest oil producers and is a major supplier of crude oil to the United States.
article_snippet.sent: This isn't Muhammadu Buhari's's first time leading Nigeria -- but it's Muhammadu Buhari's first time in nearly 30 years.
article_snippet.sent: Muhammadu Buhari's is a Sunni Muslim from Nigeria's poorer North, while incumbent Goodluck Jonathan comes from a Christian and animist South that is rich with oil.
article_snippet.sent: Buhari's win comes after a long history of military rule, coups and botched attempts at democracy in Africa.
article_snippet.sent: Many Nigerians told CNN that Many Nigerians saw incumbent Goodluck Jonathan as an ineffectual leader who was indecisive in dealing with the terror group Boko Haram -- and weak on corruption.
article_snippet.sent: Buhari, who was campaigning for the fourth time, capitalized on these weaknesses and some analysts believe that Buhari military background was an advantage for Buhari.
article_snippet.sent: Nigerians wanted a strong leader who could keep Nigerians safe from Boko Haram's murderous raids -- and Buhari also campaigned as a born-again democrat to allay fears about Buhari strict military regime the last time around.
article_snippet.sent: Buhari stressed that Nigeria's security needs to be the next government's focus.
article_snippet.sent: Buhari campaign was also fiercely anti-corruption -- Buhari ran under the slogan of "new broom," and Buhari supporters were often pictured holding brooms in the lead-up to the vote.
article_snippet.sent: Boko Haram isn't the only obstacle facing the new president.
article_snippet.sent: The economy, crime and generating enough power to light up the country are other major issues.
article_snippet.sent: The pressure will soon be on Buhari to deliver and there will be no excuses.
article_snippet.sent: If Buhari fails, Nigerians will be waiting for Buhari at the polls just four short years from now.
highlights_snippet.sent: Nigeria, the most populous country in Africa, is grappling with violent Boko Haram extremists .