Ricky meets US town's first black mayor
The issue of how black people are treated in United States has been big news over the last year.
Protests claiming black people aren't treated as fairly as white people have sprung up across the US.
Newsround's Ricky went to across the USA to find out more.
He travelled from Philadelphia to Mississippi and met a man who is doing his bit to change things.
Growing Up Black in America: A Newsround report - Tonight, 5.10pm, CBBC