Why would the shogun consent to keeping the Floating Worlds open, even though he did not personally approve of them?

The goods the europeans wanted the most were gold, jewels, silk, perfumes, and especially spices.

The embargo act of 1807  was a law passed by the united state congress and signed by president thomas jefferson on december 22,  1807. it prohibited american ships from trading in all foreign ports. in 1806, france passed a law that prohibited trade between neutral parties, like the u.s., and britain.