Final answer:
Andrew Foster founded the first school for the deaf in Ghana in 1957, signalling progress in education for the deaf in Africa.
Step-by-step explanation:
In 1957, Andrew Foster founded the first school for the deaf in Ghana. This momentous event marked the beginning of efforts to provide education specifically tailored to the needs of the deaf community in Africa. It was a significant milestone, echoing the pioneering work of Dr. Gallaudet, who had previously founded a school for the deaf in Washington D.C. The establishment of the school in Ghana was a crucial step towards improving accessibility and educational options for the deaf across the continent, and it paved the way for similar initiatives in other African countries.