A catalytic converter is a device that uses a catalyst to convert three harmful compounds in car exhaust into harmless compounds. The three harmful compounds are: 1  Hydrocarbons (in the form of unburned gasoline).
Answers.comÂ® is making the world better one answer at a time. Slavery ended permanently in Louisiana in 1865. The end of slavery was a direct result of the passage of the Thirteenth Amendment to the Constitution.
Slavery ended in 1865, two years after the Emancipation Proclamation. Abraham Lincoln ended slavery in rebel states with the Emancipation Proclamation on January 1, 1863.It â¦ should be noted that this was merely a political move as he had no power to do so at the time of this proclamation.n the US, slavery supposedly ended in 1863 with the Emancipation Proclamation signed by Abraham Lincoln, and with the passage of the 13th Amendment in 1865. But slavery still exists in several forms throughout the country, like sex trading.