What is the name of the trade route that brought elephant ivory from Africa to Europe?

What is the main collagen-infused component of ivory?

Roughly what percentage of an elephant's tusk is ivory?

What animals horn/tusk was often passed off as a unicorn horn?

Ivory carving regulations stated that it's good practice to carve figures from more than one piece.

Where was the largest centre of elephant ivory carving in Europe?

In Benin Culture, what is quality ivory associated with?

Which form of ivory did the people of Byzantium almost exclusively use?

Bonus question: When was the international commercial trade in Ivory banned?