Which of the following per-independence organizations was formed in London in 1945?

The organization that was formed in London in 1945 was the Egbe Omo Oduduwa. It was a pan-Yoruba organization that was founded by Chief Obafemi Awolowo and other Yoruba leaders with the aim of promoting the unity, progress, and development of the Yoruba people. The organization was founded at a time when Nigeria was still a British colony and was instrumental in the struggle for Nigeria's independence. The Egbe Omo Oduduwa was known for its advocacy of Yoruba self-determination and cultural preservation, and it played a key role in shaping the political landscape of Nigeria in the decades leading up to and following independence.