During franklin delano roosevelt's presidency, how many supreme court justices was he able to appoint?
a.) 2
b.) 0
c.) 3
d.) 1

Why might collective bargaining fail, causing a union to go on strike? a the union agrees with the boss about wages. b the boss compromises about work hours. c the factory goes out of business, causing the workers to lose their jobs. d the boss refuses to address dangerous working conditions in the factories.