Describe the history of systemic racism, and how it started? Describe how Systemic Racism is a major problem?

Describe the history of racism
Describe the history of systemic racism, and how it started? Describe how Systemic Racism is a major problem?
Please explain how George Floyd death sparked the systemic racism in america?
How is systemic racsim a major problem in America?
What are ways we can educate or work on systemic racsim?