Which group or event eventually ended the Byzantine Empire? A.
the First Crusade
B.
the Fourth Crusade
C.
the Huns
D.
the Ottoman Turks

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.