Scanning techniques include: 1  Computed Tomography (CT): This scan combines an x-ray-type device with a computer. 2  Magnetic Resonance Imaging (MRI): The MRI scanner is a tunnel-shaped piece of equipment. 3  Flow-Sensitive MRI (FS MRI): This type of combines functional MRI with images of cerebrospinal fluid (CSF) flow.
The Voting Rights Act was signed into law on August 6, 1965, by Lyndon Johnson. Its primary purpose was to enforce the 15th Amendment of the Constitution, which forbade the states and the federal government to deny suffrage to any citizen on account of race, color, or previous condition of servitude.rovisions of the 1965 Voting Rights Act. 1  The key components of the Act were found in sections 4 thru 9. 2  They were temporary provisions, which were renewed and amended in 1970, 1975, and 1982, the last time for a period of twenty-five years. 3  They come up again for congressional consideration in 2007.
History. On August 6, 1965, President Lyndon Johnson signed the Voting Rights Act of 1965 into law. The law applied a nationwide prohibition against the denial or abridgment of the right to vote.