The article states:

In past years, students in Milwaukee, Wisconsin, packed duffel bags for children entering foster care. In Raleigh, North Carolina, kids helped assemble meal kits. Children in Olympia, Washington, wrote letters of kindness to neighbors. And, in Kansas City, Missouri, students painted school-approved messages of encouragement on school walls.

The author's purpose for writing this passage was to __________.


stress the importance of learning how to write and format a letter correctly
emphasize the positive physical and emotional value of acts of service
suggest that individual acts of kindness are more meaningful than organized acts
explain that writing on school walls is only allowed with school approval