Analysis of information sources in references of the Wikipedia article "Nội chiến Nigeria" in Vietnamese language version.
The United States, on the other hand, professed neutrality considering Nigeria, in the words of an American diplomat, as 'a responsibility of Britain'.
Despite remaining officially neutral and declaring an arms embargo on both sides, the United States leaned more towards federal Nigeria. A report prepared for president Nixon in January 1969 sees U.S. options as limited, arguing that 'our role is important but it alone will not ensure a solution' and 'to the degree that we have leverage, we have it only with the Feds'. The U.S. thus followed a policy described in the report in the following terms: 'support the Feds diplomatically, endorse "One Nigeria" with Ibo protection but refuse to sell arms'.
