Most nations have exhibited substantial increases in iq scores during the past century. this phenomenon is called the "" brain leap stanford swell flynn effect intelligence surge

The correct answer is Flynn effect. This is defined as a long sustained and substantial increase in both of the crystallized and fluid intelligence test scores by which it covers and measures the many of parts of the world that begins from the 1930 until the present.

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