How and why was the history of the eastern half of the Roman empire so different from that of the western half? What role did emperors play in the Eastern Church?

I only know the last one but In Byzantine times, the emperor had supreme authority in the Church. He selected the patriarch of Constantinople, who ranked just below him in matters of religion. Unlike the pope in the west, the patriarch did not claim strong authority over other patriarchs and bishops.

Explanation:

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

considered the turning point in pacific war. the japanese tried to lure the american navy out so it could be destroyed but failed. the americans were led by admiral chester nimitz. the victory by america would put them on the offensive for the remainder of the war.