Complex sentence: The rise of the 19th century Gobroon Dynasty in particular saw a rebirth in Somali maritime enterprise and it's agricultural output to Arabian markets was so great that the coast of Somalia came to be known as the grain coast of Yemen and Oman.
Split into simpler sentences: The rise of the 19th century Gobroon Dynasty in particular saw a rebirth in Somali maritime enterprise. During this period, the Somali agricultural output to Arabian markets was so great that the coast of Somalia came to be known as the grain coast of Yemen and Oman.