Which of the Following Best Explains the Purpose of Canada's

Which of the following best explains the purpose of Canada's Public Service Staff Relations Act of 1967?

A) to enforce antitrust laws against unions in federal institutions
B) to allow federal public service employees the right to representation and collective bargaining
C) to allow federal and provincial public service employees the right to representation and collective bargaining
D) to require that all collective bargaining agreements be approved by the federal government before they can be enforced