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.
June 19th, holiday celebrating the end of slavery in the United States. It began in Texas when news of Lincoln's Emancipation Proclamation Emancipation Proclamation,in U.S. history, the executive order abolishing slavery in the Confederate States of America. Desire for Such a Proclamation .....