On September 2, 1801, they had been forced to surrendered being surrounded. They had been allowed to go back to France with all their resources as long as they surrendered Alexandria.
It would be the economic policy of "mercantilism" that was based on the idea that the American colonies primarily were meant to provide economic benefits for Great Britain, since this philosophy held that trade between two entities benefits mainly the larger entity (in this case Britain), and that it is in that entity's best interest to protect its trading partner (the colonies).
Feelings were nervous and frightening