Which of the Following Best Matches the Description

Which of the following best matches the description?
-Predominant feeling of a culture concerning ethical issues.

A) Henry David Thoreau
B) Preservation approach
C) Rachel Carson
D) Development approach
E) Conservation approach
F) Ralph Waldo Emerson
G) Aldo Leopold
H) industrial ecology
I) none of above
J) John Muir
K) ethics
L) morals
M) environmental justice
N) deep ecology