I agree with the person above - Cesar Chavez was instrumental in forming the United Farm Workers (of America).
It refers to a labor union of employees in America, and it stands to protect their rights. It was founded in 1965 by merging two labor unions, one led by Larry Itliong, and the other by Cesar Chavez. Together, they organized many strikes and protests in order to fight for their rights as laborers.
Explanation:
Significance. The barbarian kingdoms marked the transition from Late Antiquity to the Early Middle Ages in the 6th and 7th centuries, gradually replacing the Roman system of government on the lands of the Western Roman Empire, notably in the two western prefectures of Gaul and Italy.
The results of the Puritan and Glorious Revolutions in England were significant for Europe and the Americas because they demonstrated that Government power was limited by law.
They invented things like the pulley, paper made from papyrus.