Who were three significant black abolitionists prior to and during the civil war? harriet beecher stowe frederick douglass john brown harriet tubman josiah henson mary walker

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.