white supremacy, sociology assignment help

What is the concept of White Supremacy in America? What social examples can you find out about the topic to prove it is real? Why is it based on racisim and discrimination as tools to enforce the supremacy concepts? Why do White Americans not think about such unequal treatment of non-Whites in American society? What types of damage does such White Supremacy cause for minorities and people of color?

please answer in 2-5 sentences