According to The Riddle of the Rosetta Stone, what happens as a result of the British destroying the French fleet anchored near Alexandria? Napoleon, his army, and the scholars become trapped in the land they have just conquered.
Napoleon, his army, and the scholars are frightened and spend a lot of time devising a plan to escape.
Napoleon escapes the British naval blockade and returns to France where it is safer.
Napoleon and his men take over a palace to serve as the headquarters for the scientists and scholars.