This is kinda hard sense they do produce a lot of major industries in the U.S like natural gas, tourism, etc.But as for the BEST answer I'd say D)
The legislative branch makes the laws and the executive branch enforces the laws
The answer is; affect-laden events.
<em>Hope this helped! :)</em>
<span>most national boundaries had been arbitarily drawn by colonial powers and there are many tribes in Africa.</span>