Which part of the United States government
allowed for arms preparation for World War I?

I uploaded the answer to a file hosting. Here's link:

cutt.ly/tz3yDpb

the tallest building in the western hemisphere and the sixth tallest building in the world

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.