It was, she said, "to rid this land of any British interference".
"We need to rid this country of its strike culture," Gabriel Attal, a party spokesman, said just before the strikes began.
"You who are Normandy veterans remain as witnesses to us of the high price that had to be paid to rid this continent of a terrible and tragic evil," Right Reverend Nigel McCulloch told the service.
"I assure you that Boko Haram will soon know the strength of our collective will and commitment to rid this nation of terror and bring back peace," Buhari said.
"In that time, I've seen prime ministers and leaders of the opposition come and go, but for all their achievements and failures, what I didn't see was a sustained attempt to rid this country of what really holds people back.
By early afternoon the military police had raised the flags of Brazil and Rio de Janeiro atop a building on the highest hill in the Alemão shantytown complex, providing a rare moment of catharsis and celebration in a decades-long battle to rid this city's violent slums of drug gangs.
