Which group fought for a limit on child labor

powers  are  denied  to the  national governmentin three distinct ways: some  powers, such as the  power  to levy duties on exports or prohibit the freedom of religion, speech, press, or assembly, are expressly  denied  to the  national government  in the  constitution.

19th amendment granted women the right to vote. the 19th amendment guarantees all american women the right to vote.

a direct vote in which an entire electorate is invited to vote on a particular proposal. this may result in the adoption of a new law.