What agreement reduced trade barriers between the united states, canada and mexico, but raised issues about protecting american jobs?

The North American Free Trade Agreement or (NAFTA) is the agreement that reduced the trade barriers between the United States, Mexico, and Canada. In this agreement, it eliminated tariff barriers and the investment restrictions were also eliminated. In the implementation of NAFTA small business benefited in this agreement. 

abraham lincoln  (february 12, 1809  – april 15, 1865) was an american statesman, politician, and lawyer who served as the 16th  president of the united states  from 1861 until  his assassination  in april 1865. lincoln led the nation through the  american civil war, its bloodiest war and its greatest moral, constitutional, and political crisis.[2][3]  he preserved the  union,  abolished slavery, strengthened the  federal government, and modernized  the u.s. economy.