The death of George Floyd - Tyranny, Racism and Oppression

The death of George Floyd has again reminded of the injustice and oppression of the African American Community.

The viral footage of a police officer kneeling upon George's neck as he protests "I Cant Breathe" reminds of several other incidences with the  common theme of racism.

Why does this keep happening!

What is THE ONLY DECISIVE solution to this problem?