Portable Network Graphics. Portable Network Graphics (PNG /ËpÉªÅ/) is a raster graphics file format that supports lossless data compression. PNG was created as an improved, non-patented replacement for Graphics Interchange Format (GIF), and is the most widely used lossless image compression format on the Internet.
The slavery in the United States was a paradox because it contradicted the American ideal of freedom C. Slavery is one the black chapters in mankind history. It shows barbarian, immorality and misunderstanding.
The image most people have of slaves being forced to build the pyramids against their will is incorrect, Redford says. The concept of slavery is a very complicated problem in ancient Egypt, he points out, because the legal aspects of indentured servitude and slavery were very complicated..