It's probably B, cause and effect
Taught is in past tense, when you say he taught it means he has already done it
It’s an informative sentence
Answer:
B <em>The three aims of positive psychology that Seligman discusses help to improve people’s overall happiness by focusing on strengths and meaning in life.</em>
Explanation:
In the work carried out by Martin Seligman, his main theme of his psychological orks which he carried out shows that happiness of an individual depends on our focus to meaning in life.