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.
Slavery was the straw that broke the camel's back. It 'pushed the envelope' of the already heated issue of State's Rights-The South held State's Rights (such as choosing whether or not to allow slavery) above national unity, so they succeeded from the union.