In Which of the Following Ways Did the Union Likely

Multiple Choice

In which of the following ways did the union likely go about establishing sufficient employee support for a union election?

A) Through the use of petitions signed by employees.
B) Through ballots mailed to the National Labor Relations Board indicating sufficient employee support for a union.
C) Through the use of signed authorization cards.
D) Through telephone polls conducted by the National Labor Relations Board indicating that the employees supported the union.
E) Through the use of signed affidavits by union officials stating that a majority of the employees supported the union.