In the Contemporary Era, Which of the Following Are Social

In the contemporary era, which of the following are social conflicts that have direct
Implications for the American police?

A) The debate of immigration
B) The resurgence of the American Nazi and white power movements, the
Corresponding rise of the AntiFa movement
C) The increased use of police officers to enforce school discipline
D) All of the above
E) "a" and "b" only