Here is how to make a unicorn: 1: take an all white horse.
2: surgically implant a bleached sharpened bone into its skull.
3: feed it tone of skittles.

An all white unicorn that barfs rainbows (skittles).

The answer to the question is a.

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.