What trend in democratic and reform were taking shape in the us by 1850

In the mid 1800's, as the nations expanded westward, some Americans called for an expansion of democratic rights as well.

(c) spain left the philippines to the usa

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.