The columbia exchange is the name given to the widespread

The Columbian Exchange is the name given to the widespread exchange of plants, animals, and communicable diseases between the Eastern and Western Hemispheres that occurred after 1492. It has been called one of the most significant events in the history of world ecology, agriculture, and culture

Explanation:

president thomas jefferson hoped that the embargo act of 1807 would the united states by demonstrating to britain and france their dependence on american goods, convincing them to respect american neutrality and stop impressing american seamen. instead, the act had a devastating effect on american trade.