What was the purpose of adding the Bill of Rights to the U. S. Constitution? A
to increase federal authority
В.
to advance universal suffrage
C.
to protect the rights of citizens
D
to define the rights of states

The Bill of Rights is the name given to the first 10 amendments to the US Constitution. The Bill of Rights consists of guarantees of civil liberties and checks on state power; it was added in order to convince states to ratify the Constitution

Explanation: Hope this helps :)

labor leaders and organizations had the power to demand it.

explanation:

workers got a five-day workweek because the bcea protects and respect the rights of the employees. labor leaders and other groups demanded it.