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.
How Slavery Really Ended in America. On May 23, 1861, little more than a month into the Civil War, three young black men rowed across the James River in Virginia and claimed asylum in a Union-held citadel. Fort Monroe, Va., a fishhook-shaped spit of land near the mouth of the Chesapeake Bay, had been a military post since the time of the first Jamestown settlers.