<P> Widespread evasion of the maritime and inland trade restrictions by American merchants , as well as loopholes in the legislation , greatly reduced the impact of the embargo on the intended targets in Europe . British merchant marine appropriated the lucrative trade routes relinquished by U.S. shippers due to the embargo . Demand for English goods rose in South America , offsetting losses suffered as a result of Non-Importation Acts . The embargo undermined national unity in the U.S. , provoking bitter protests , especially in New England commercial centers . The issue vastly increased support for the Federalist Party and led to huge gains in their representation in Congress and in the electoral college in 1808 . The embargo had the effect of simultaneously undermining American citizens ' faith that their government could execute its own laws fairly , and strengthening the conviction among America 's enemies that its republican form of government was inept and ineffectual . At the end of 15 months , the embargo was revoked on March 1 , 1809 , in the last days of Jefferson 's presidency . Tensions with Britain continued to grow , leading to the War of 1812 . </P>
<P> Widespread evasion of the maritime and inland trade restrictions by American merchants , as well as loopholes in the legislation , greatly reduced the impact of the embargo on the intended targets in Europe . British merchant marine appropriated the lucrative trade routes relinquished by U.S. shippers due to the embargo . Demand for English goods rose in South America , offsetting losses suffered as a result of Non-Importation Acts . The embargo undermined national unity in the U.S. , provoking bitter protests , especially in New England commercial centers . The issue vastly increased support for the Federalist Party and led to huge gains in their representation in Congress and in the electoral college in 1808 . The embargo had the effect of simultaneously undermining American citizens ' faith that their government could execute its own laws fairly , and strengthening the conviction among America 's enemies that its republican form of government was inept and ineffectual . At the end of 15 months , the embargo was revoked on March 1 , 1809 , in the last days of Jefferson 's presidency . Tensions with Britain continued to grow , leading to the War of 1812 . </P>
when did the embargo act of 1807 end
when did the embargo act of 1807 end
on March 1 , 1809
on March 1 , 1809