What effect did the signing of the declaration of independence have in the colonists

The words stated in the Declaration rallied support from colonists at home, and colonists living abroad.

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.