Complex sentence: The leader of Fort Mose during the battle was the legendary Capt. Francisco Menendez: born in Africa, he twice escaped from slavery, and played an important role in defending St. Augustine from British raids.
Split into simpler sentences: The leader of Fort Mose during the battle was the legendary Capt. Francisco Menendez: born in Africa, he twice escaped from slavery. In Florida, he played an important role in defending St. Augustine from British raids.