The correct answer is A) W.E.B. DuBois
Before joining the communist party, DuBois was well known for his involvement in helping African-American citizens gain rights. DuBois was one of the co founders of the National Association for the Advancement of Colored People (NAACP) that still exists today. However, later in his life, he ended up joining the communist party. This participation was brief, as he joined at the age of 93 years old. He would end up dying at the age of 95.
The answer is B or the second one
The Oregon Trail was used by emigrants from the East to venture a new life into the West. Thier belief that in the West lies their future is what kept them going on this trail. Harsh weather conditions, long days of walking, and exposure to different elements made the traverse along this trails so much harder. The idea of building a canal opened a lot of opportunities not only for these emigrants but also for the government. It allowed for better transportation and communication, especially during the Civil War. The story of the Oregon traverse is a monumental feat of linking the East to the West making a cultural impact on America.