In the Late Nineteenth Century,crime in Large American Urban Centers

In the late nineteenth century,crime in large American urban centers

A) was often blamed on the violent proclivities of immigrant groups, and led many city governments to create larger and more professional public police departments.
B) All these answers are correct.
C) was often blamed on the violent proclivities of immigrant groups.
D) swelled in the twenty years between 1880 and 1900.
E) led many city governments to create larger and more professional public police departments.