Algeria’s suffered economic challenges after independence because it relied onas its only major export.

The answer is either oil, or fish. I am not sure what one.

Explanation:

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.

a 3 branch government