In one to two sentences, explain the changes that were made at home by the U. S. Government as a result of the September 11, 2001, terrorist attacks please help.

architecture i think.

i hope this !

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.

b europeans take corn to africa. corn becomes an important crop there.

any answers choices maybe