No it wasn't THE first suspension bridge in america. THE first suspension bridge in america was the wire bridge at fairmount in philadelphia.
A. Charles Darwin
Darwin suggested that a sneer retains elements of baring one's teeth so as to threaten predators.
The economy of the south has retained an agricultural tendency. This is based on the richness of the soil coupled with an extended growing season which allowed for biodiversity.
So they wouldn't be stolen.