The Process of Mixing Maize with Lime to Make Baked

The process of mixing maize with lime to make baked tortillas rich with the essential vitamin niacin in the early Americas is an example of which of the following?

A) careful study and analysis by early American scholars to improve communal diets
B) an innovation likely discovered by chance and adopted because of its beneficial results
C) a decision taken by a communal leader to better supervise the health of his/her community
D) an innovation likely discovered by male farmers as they became more familiar with the grain