West Africans discovered how to make iron in
A. 200 BC
B.300 BC
C. 400 BC
D. 500 BC

can you attach the answer options

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.