Answer:
Segregation is the physical separation of peoples on the basis of ethnicity and social custom historically applied to separate African Americans and Mexican Americans from whites in Texas. Although the law specified until 1890 that black schools were to have equal access to the common school fund, they often did not.

Well without full context I would assume Trench Warfare because thats what 3 1/2 of the 4 year wars where full of.
The Industrial Revolution started at the end of the 19th Century, from 1760 to 1850
What are the following choices?