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The Chinese Dynasty that invented India Ink was the Cao Wei Dynasty.
China painting involves the same techniques as calligraphy and is done with a brush dipped in black or colored ink; oils not used.
Without black ink, students will not have the opportunity to write.
Chinese are known to be the first people to use and invent ink. Ink was invented by the Chinese in the 18th Century BC. The first known ink that was used in China was from natural plant dye, animal and mineral inks... India only started using ink in the 4th century BC. The oldest known variety of ink is Chinese Brush Ink which is still used in modern time and Japan and India started using it for writing with small brushes instead of pens. The ink used in early India since at least the 4th century BC was called masi, which was an admixture of several chemical components
So it could make black people feel better about themselves (from different user improving) Actually is was for white people to feel better buy using the black ink as a symbol for segregation. But I think that's racist so I use blue ink all the time...........