According to Ed Diener’s research, what factor do ALL of the happiest people have in common?

The answer is explained below.

Explanation:

Edward F Diener is an American psychologist. He is known for conceptualising the aspect of happiness which can be empirically measured, it is called  Subjective Well Being (SWB). He is a leading researcher in positive psychology. According to him, there are five factors that are important for happiness: Money, Positive thinking styles, Social relationships, adaptation,  society and culture.

nigger, that word was originated for white folks   to keep black people under

and when black people use it, they know that's just how they greet each other

and when white folks use it, they know there's a double meaning under

the answer is d.index