In the United States, What Is the Legal Requirement for Giving

In the United States, what is the legal requirement for giving employees paid vacation?

A) Paid vacation must take place on specified days in addition to holidays.
B) Employers must give the amount of paid vacation that makes economic sense.
C) Employers must give employees 10 paid vacation days each year.
D) New employees must receive 25 or 30 days off.
E) Employers decide on paid time off; there is no minimum.