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.
Myth: Slavery in the non-western world was a mild, benign, and non-economic institution. Fact: Slaves were always subject to torture, sexual exploitation, and arbitrary death. Myth: Slavery was an economically backward and inefficient institution. Fact: Many of the most progressive societies in the world had slaves.