Clara's relationship with her brother made her realize that she is very happy to help others and that this was her true calling.
Explanation:
As can be seen in the text, Clara's brother was seriously injured and she took responsibility for taking care of him, helping him to recover and taking the necessary medication. Although she was happy when her brother recovered, she realized that she felt very fulfilled in caring for those in need, she felt useful and proactive. In this way, she discovered that this was her true calling and it encouraged her to help families in need anywhere in the country.
