Why did France give us a Statue of Liberty?

Look, we love Lady Liberty as much as the next patriot. But why on Earth did France give America a massive and exoribitant gift that wasn't on our registry? Will and Mango dig into the bizarre Parisian dinner party that led to the idea, the mathematical word problem of a way the statue was built, why it competed with a walrus for early tourists' attention, and why Brigham Young, Ulysses S. Grant and Gustave Eiffel from Eiffel Tower fame all have more to do with it than you'd think!  See omnystudio.com/listener for privacy information.