The explosion was a signal for all Confederate guns surrounding the fort to open fire.
VOA: special.2009.08.13
That explosion would signal the other guns surrounding the fort to open fire.
VOA: special.2009.08.06
Mr Abulafia notes with approval that Sephardic Jews, such as his own forebears, forced to leave Spain for Ottoman Smyrna, have been especially opento integration with surrounding cultures.