The United Kingdom, Nigeria's former colonizer, first said it was ready to help in a news release the day after the mass abduction on April 15, and made a formal offer of assistance on April 18, according to the British Foreign Office.
And the US has said its embassy and staff agencies offered help and were in touch with Nigeria "from day one" of the crisis, according to Secretary of State John Kerry.
The delay underlines what has been a major problem in the attempt to find the girls: an apparent lack of urgency on the part of the government and military, for reasons that include a reluctance to bring in outsiders as well as possible infiltration by the extremists.
Jonathan bristled last week when he said US President Barack Obama, in a telephone conversation about aid, had brought up alleged human rights abuses by Nigerian security forces.
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Last year, he said he suspected Boko Haram terrorists might be in the executive, legislative and judiciary arms of government along with the police and armed forces.
The waiting has left parents in agony, especially since they fear some of their daughters have been forced into marriage with their abductors for a nominal bride price of USD 12. Boko Haram leader Abubakar Shekau called the girls slaves in a video this week and vowed to sell them.
"For a good 11 days, our daughters were sitting in one place," said Enoch Mark, the anguished father of two girls abducted from the Chibok Government Girls Secondary School.
The military has denied that it ignored warnings of the impending attacks. Maj. Gen. Chris Olukolade, a Defense Ministry spokesman, told The Associated Press the major challenge has been that some of the information given turned out to be misleading.
And Reuben Abati, one of Jonathan's presidential advisers, denied that Nigeria had turned down offers of help.