Alexander's double galleys answered very well as long as the water was smooth; but sometimes, when they were caught out in a swell, the rolling of the waves would rack and twist them so as to tear the platforms asunder, and sink the men in the sea. Thus difficulties unexpected and formidable were continually arising. Alexander, however, persevered through them all. The Tyrians, finding themselves pressed more and more, and seeing that the dangers impending became more and more formidable every day, at length concluded to send a great number of the women and children away to Carthage, which was a great commercial city in Africa. They were determined not to submit to Alexander, but to carry their resistance to the very last extremity. And as the closing scenes of a siege, especially if the place is at last taken by storm, are awful beyond description, they wished to save their wives, and daughters, and helpless babes from having to witness them.