The results of the plessy v. fergusson supreme court decision was the segregation laws were

Okay as long as segregated facilitates were equal

Plessy v. Ferguson meant that the concept of separate but equal was established in the law.

a historian researching the immigration policies of the early 1900s would expect a source written today,rather than in 1910 to :

( a ) be more interested in objective data and statistics.

the deaths of over a million communist soldiers

post-traumatic stress disorder in veterans