Chocolate was learned about when Europeans explored Africa. I do not know how did found out. I hope this answers the "when" part of the question
Answer:
First Point of Veiw
Explanation:
they keep saying "i" also they talk about themselves
the principal and most anterior part of the brain in vertebrates, located in the front area of the skull and consisting of two hemispheres, left and right, separated by a fissure. It is responsible for the integration of complex sensory and neural functions and the initiation and coordination of voluntary activity in the body.