Read the excerpt below.

Brown v. Board of Education (1954) in this decision the Supreme Court overturned Plessy v. Ferguson (1896) and found that segregation in the public schools violated the Constitution. Lower courts were expected to follow this decision in future similar cases.

Which is it an example of what was established in the Brown decision?
A. Class Action
B. Stare Decisis
C. A Precedent
D. Standing to Sue