Laboulaye proposed that a great tombstone should be given as a gift from France to the United States as a celebration of both the union's victory in the American Revolution, and the elimination of slavery.
Gustave Eiffel, the man who designed the Eiffel Tower was also behind the designing of Liberty's ‘spine'; four iron columns supporting a metal structure that holds the copper skin.
Although one cannot see Lady Liberty's feet clearly she is in fact standing among a broken shackle and chains, with right foot raised, depicting her moving forward away from oppression and slavery.