The answer is C. The idiom best describes the process of finding small-scale ways to bring about large-scale changes. In other words, people should help in caring for the world by doing the best things to improve the environment within the proximity. The phrase "Think Globally, Act Locally" was first coined by René Dubos when he spearheaded the group of scientists in the <span>United Nations Conference on the Human Environment. </span>
Answer:
Aunt Alexandra shows courage by stepping in to care for Scout and Jem, and Miss Maudie shows courage by speaking up when other women can't about Tom Robinson. They both know they are "stepping into a hornet's nest" but they do what they must do to protect Maycomb, and Scout and Jem.
I believe it is "such as" because that fits an example best, don't you think?