The landmark case Plessey v. Ferguson was significant because "<span>It showed that racial segregation was constitutional</span>" since this remained the case until Brown vs. Board of Education overturned it.
"B is the answer because the Europeans were immune to the virus and the Indians weren't so they grew very ill which helped the Europeans."
Answer:
brought in more people by train and goods were now more easier to ship down south
Explanation:
I believe it was because both blacks and whites were moving west to the cities to find jobs.
hope i helped :)
