Was the embargo act effective? why

Clearly the embargo wasn't working. It was hurting America rather than its intended targets, Britain and France. In March 1809, Congress repealed the Embargo Act of 1807. Jefferson signed the repeal shortly before he left office.the embargo failed to have a significant effect on the British. Goods still reached Great Britain through illegal shipments; British trade was not suffering as much as the framers of the embargo had intended.

The answer to the question is a.