When chief justice earl warren stated, “a sense of inferiority affects the motivation of a child to learn,” what was he essentially stating?

Low self-esteem can have a negative impact on grades.

A sense of inferiority can make a young man to have low self-esteem. This is particularly ruinous to young people that are still developing. By developing low self-esteem, they lose self-confidence which can lead to poor performance  

this is not a question its simply asking you to read and write a few sentences and   the question on the bottom its fairly easy, you can do this!

they died because of a disease during the first spanish colonies.