Respuesta :
It should be noted that the map help develop the central idea that the Louisiana Purchase as it C. clarifies how the Louisiana Purchase eventually became part of the United States.
What is a central idea?
A central idea simply means the main idea that's in story. It's what the author wants the readers to know.
In this case, the map helps develop the central idea that the Louisiana Purchase as it clarifies how the Louisiana Purchase eventually became part of the United States.
Learn more about central ideas on:
https://brainly.com/question/2684713