Which of the following did not rule the balkan peninsula at some point in time?

greeks

rus

ottoman turks

romans

the labor movement in the united states grew out of the need to protect the common interest of workers

for those in the industrial sector organized labor unions fought for better wages reasonable hours and safer working conditions

  in the 19th century trade unionism was mainly a movement of skilled workers.

hope this

post the grid otherwise i cant .

also it sounds like a math question not history.