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.
Here are ten such ideas I have encountered in my reading. 1  Slavery is natural. 2  Slavery has always existed. 3  Every society on earth has slavery.  The slaves are not capable of taking care of 1  themselves. Without masters, the slaves will die 2  off. Where the common people are free, they are even worse off than slaves.