Without the support of federal troops, segregation in the south lasted from the time of reconstruction until a. around 1900. b. the early 1900s. c. the mid-1900s. d. the late 1900s.

C. just took the test too!

i believe that the answer to the question provided above is that  establishing smaller ethnic communities within larger communities  gives more chance for people to know each other more but this might lead to the  conflict between groups.

answer: c  

the factory goes out of business, causing the workers to lose their jobs.

explanation: