They can help because although they all do things a bit different from each other it all works out. As an example Roosevelt was a republican but he was also a progressive and so he leaned to a more democratic view but when he handed his job to Taft who was full on republican, even though he changed a few things he still developed.
For those in the industrial sector, organized labor unions fought for better wages, reasonable hours and safer working conditions. The labor movement led efforts to stop child labor, give health benefits and provide aid to workers who were injured or retired.
Religion- the Catholic Church use to be head over everything, even the government.
NSZZ Solidarność is Poland's trade union. It was formed in 1989 to rebel against the communism in the country. In the end it became a compromise of Independence of individual trade throughout the country.