Authors like sarah orne jewett and charlotte perkins gilman share regional culture in works of local color. this "local color movement" is known as
a. frontier realism.
b. naturalism.
c. regionalism.
d. spiritualism.

c. Regionalism.

Explanation:

Regionalism is a type of literature that focuses on the accurate representation of individuals found in a specific region or culture, and their defining and particular characteristics, such as dialect and traditions.  

Another example of a regionalism work is Willa Cather's My Ántonia.

make no change because everything else is correct