Blue–green distinction in language being described. For example, "blue" and "green" might be distinguished, but a single term might be used for both if the color is dark. Furthermore, green might be associated with yellow, and blue with black or gray. According to Brent Berlin and Paul Kay's 1969 study "", distinct terms for brown, purple, pink, orange and grey will not emerge in a language until the language has made a distinction between green and blue. In their account of the development of color terms the first terms to emerge are those for white/black (or light/dark), red and green/yellow. The word for blue
The Symbol of the Unconquered race that reveals Eve’s black parentage, something that Van Allen was completely unaware of. The film ends with Van Allen learning the truth and the two of them declaring their love for each other. The Symbol of the Unconquered The Symbol of the Unconquered (also known as The Wilderness Trail) is a 1920 silent "race film" drama produced, written and directed by Oscar Micheaux. It is Micheaux's fourth feature-length film and along with "Within Our Gates" is among his earliest surviving works. "The Symbol of the Unconquered" was made at Fort Lee, New Jersey, and released by Micheaux on November