Why was it important to labor unions to be allowed to strike?

What civilization is credited with being the earliest to use a written language? Was George rogers Clark on the colonies side? How were crops transported to the markets and port cities of the Southern Colonies? Peasant uprisings and the storming of the Bastille forced the National Assenmbly to do this? What members of the conspiracy prepare to set out triumphantly through Rome who sends a message of loyalty? When was the Great Pyramid at Giza built? Napoleon told the Africans of Haiti that he understood their plight. Did he? What were the pitching stats for baseball player Dave Johnson playing for the Baltimore Orioles in 1989? When and where did baseball player Jim Maler play? Which two animals are extinct because of the gladiatorial games? What was the underlying cause of the Cuban Missile Crisis? How many kids does Janet dubois have? Who got to keep the original world cup trophy? How old was Simpson's donkey when he died and where did he die? Who led the parliamentary forces against the English king in the English civil war? What was the purpose of the declaration of brussles in 1890? Who ruled the Kassites? Why would a historian write negatively about Qin shi huangdi? What is the names of Labrinth's sisters and brothers? How did the political geography of Eastern Europe change after World War 2?