Twenty years because of slavery
The correct answer is Brown v Board of Education
In its decision, the Supreme Court overruled the Plessy v Ferguson by ruling that the separation of children in public schools on the basis of race was unconstitutional. This ended racial segregation in public schools
Hurbert Humphrey was who he ran against
Http://www.un.org/un70/en/content/70ways
Answer:
SPECT Single-photon emission computed tomography
Explanation:
SPECT is a technique that is used for tomography of the brain to know how the tissue and blood working in the brain. It shows the activity in the brain. This technique helps in diagnoses brain stroke, head injury, ischemia attack, blockage and mental illness like schizophrenia, Alzheimer's, etc.
It is an unclear imaging technique that merges with computed tomography and finds out the problem through a combination of SPECT. Before doing SPECT, an injection is injected into the blood stream. This technique is used to know the blood is flowing in arteries and veins.