Why are management as well as some unions concerned aboutlarge bargaining units

Why are management as well as some unions concerned aboutlarge bargaining units in the public sector? A. Large bargaining units will cause larger payincreases while causing smaller unions to get smaller payincreasesB. Large bargaining units are unstable and relyheavily on aggressive bargaining tacticsC. Large bargaining units can hold managementhostage through domination of the bargaining process and candetermine the terms of settlements for other unionsD. Large bargaining units will eventually absorbsmaller unions and will then be too large for management to dealwith effectively