The correct answer is Plessy Vs. Ferguson. In the landmark case Plessy vs. Ferguson, it was ruled that segregation of facilities was constitutional as long as those facilities were equal in quality. This is were the term "Separate but Equal" comes from. However, during the case Brown vs. The Board of Education it was ruled that racial segregation violated the fourteenth amendment of the Constitution. It was this ruling that rendered the ruling in Plessy vs. Ferguson invalid because the ruling was unconstitutional.
<span>Blue Shift wouldn't effect the big bang theory at all. A light move towards us it is in the blue spectrum of light and as it moves away it is in the red spectrum. Now if they discovered redshift in a distant galaxy that might change things.Does that help? </span>
It affected where they settled in terms of trade and water sources, such as rivers.