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.
Portable Network Graphics (PNG) images are implemented in place of GIF files. A PNG graphic is a high-quality graphic image, but it does not take up as much Web host hard drive space as other images such as JPG or BMP.his loads the file in the Paint software. Click the File menu item and then select Save As.. A new window opens where you can convert and change the file extension for the file. Select JPG from the drop-down box labeled Save as type.. In the text box labeled File name, enter a new name for the converted file.