Jim Crow laws were state and local laws enforcing racial segregation in the Southern United States. Enacted after the Reconstruction period, these laws continued in force until 1965.he Jim Crow laws and the high rate of lynchings in the South were major factors in the Great Migration during the first half of the 20th century. Because opportunities were so limited in the South, African Americans moved in great numbers to northern cities to seek better lives, becoming an urbanized population.
PNG was designed for transferring images on the Internet, not for professional-quality print graphics, and therefore does not support non-RGB color spaces such as CMYK. PNG files nearly always use file extension PNG or png and are assigned MIME media type image/png.
The easiest way to convert PDF to a JPEG file is to print it using a virtual printer. A virtual printer differs from a desktop printer only in that instead of printing the document on a sheet of paper it saves the document as a PDF graphic file (JPEG, TIFF or PNG).