The Prairie Clerical Workers Union Has Just Received Recognition as the Bargaining

The Prairie Clerical Workers Union has just received recognition as the bargaining agent for a group of employees.What action would the union president most likely immediately undertake?

A) substantive collective bargaining efforts to secure a collective agreement
B) voluntary certification of the union by the group's employer
C) voluntary bargaining in good faith with the party of the employer
D) a legal strike to demonstrate the substantive increase in bargaining power