When community service is required for graduation it sparks creativity in students and propels them to create projects that may have a profound impact on the local community. Also, when students work with community leaders in public service they start to make connections that may help them later in their careers or life.
Steinbeck describes the migrants’ anger as “fermenting.”
the 3rd option is the correct answer
The synonyms are different words with the same meaning so basically you have to know the meaning to identify the synonym ;)