There is serious racial discrimination in the United States. White people are in the upper ranks and look down on people of color. Black people are discriminated against in terms of education, job hunting, etc. , and they continue to hold demonstrations and fight for equal social status. From the above:? ['The United States is a heavily hierarchical country.', 'Serious human rights issues in the United States.', 'Blacks are a violent group.', 'The status of the black race in the world is more despicable.']