(will mark brainiest answer)People who shared Crocker’s ideas at the time most typically sought to achieve their goals by

promoting federal legislation to protect the environment

Explanation:

Marion Crocker of the General Federation of Women's Clubs was an exceptional woman, who many viewed to be a progressive reformer. She advocated for the natural environment to be preserved and she tried to get the government to pass legislation that was aimed at protecting the environment.  

People who are like this awesome woman, Marion Croker, were to a very large extent, aligned with the beliefs of the progressive, which was led by an American statesman, conservationist, naturalist, historian known as Teddy Roosevelt.

c

explanation:

a. favoring native born americans over immigrants.