Choose the correct answer

Based on the context provided in the document, here are the suggested answers for the questions:

**Question 18:**
A. is one who people actively contribute to the well-being of others

**Question 19:**
A. who were dedicated to making their neighborhood better often worked quietly behind the scenes

**Question 20:**
B. it is essential that every individual takes responsibility for their actions, and many people fail to do so

**Question 21:**
A. members of a community becoming more cooperative and supportive

**Question 22:**
A. We can build a better future by focusing on shared values

Feel free to adjust based on any additional context you might have!