It protects citizens' privacy by ensuring that law enforcement can't ask to search or seize their belongings without a just cause.
Ex. A police officer may not search a person's home without a search warrant.
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.
He Helped the Peace process in the Middle East
Europeans were introduced to new luxuries through trade as a result of the Crusades.