Why are African Americans (AA) considered racial caste?

https://youtu.be/WlNg5GnIUYE?si=VWIgZhrSmfy2d7YL

Why are African Americans (AA) considered racial caste? Provide evidence. (150-250 words)-- 10 Points
Has incarceration for Black males increased or decreased? Provide data from the clip in support of your stand. (150-250 words)--- 10 Points
“Drug war during Regan’s time was a racial politics”. Was this claim right? How would you present arguments from the clip for your stand? (150-300 words)--- 10 Points
Which country has the highest incarceration rates for males? What is its rate? Compare this country with incarceration rates in ten other countries provided in the clip. Use the rates given in the clip. (150-250 words) --- 10 Points
“The concept of tough law is nothing but a colorblind and racist rhetoric”. Provide reasoning from the clip to oppose or support this statement. (150-300 words)--- 15 Points
“Slavery comes back with the colorblind philosophy of the prison”. What do you think? How do stereotypes work here (look for drug user imagery mentioned in the clip)? (150-300 words)Provide reasons presented in the clip. --- 15 Points