If a labor union forms,

a$.$ there is a chance some non$-$union workers will be shut out of a job if the union succeeds in raising wages and benefits for its members.

b$.$ it will engage in negotiations with management known as collective bargaining.

it typically has no power to strike, especially in states with no right$-$to$-$work laws.

d$.$ both a$)$ and b$)$ are correct

e$.$ all of the above are correct