Louisiana's economy is heavily dependent on its fertile soils and waters. Because much of the state's land sits on rich alluvial deposits, it is the U.S.'s largest producer of sweet potatoes, rice, and sugarcane.
This is true!
The method was to write the question that people wanted answered, for example about the future weather or success or failure in a war, on a bone and then throw this bone into a fire.
The answer would be interpreted from the cracks on the bone.