The completion of the Transcontinental Railroad greatly affected companies that made products in that it made it far easier for them to transport their goods over long distances to markets, which greatly increased profits and output.
The event that signaled the shift and directional change of the SNCC is Stokely Carmichael became its leader in 1966. This happened when he became their leader and that he had many plans to this organization that helped the students also in protecting their rights of speech.