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.
However, slavery didn't officially end in the US as a whole until December 6, 1865, when Georgia ratified the 13th Amendment pushing it over the requirement of ratification by at least 3/4 of the states and making it a part of the US Constitution.