Fact Number One: The Igbo nation hates Yoruba and Hausa-Fulani.
Fact Number Two: The Hausa-Fulani nation hates Igbo and Yoruba.
Fact Number Three: The Yoruba nation hates Igbo and Hausa-Fulani.
The above scenario was what America and Britain had desired when they forcibly put together the three nations into one country called Nigeria.
To control Nigeria, all America and Britain need do is to play these ethnic nations against one another.