I believe the answer is: oil and electricity
The answer is going to be the one that states the following:
Wealthy urban Americans' desire for public spaces to display their economic status.
Explanation:
I got the answer wrong on that question, but after I got it wrong it told me which was the correct answer. Don't let my sacrifice be in vain...
Corn caused by changes in environmental effects
Peter the great is the answer hope this helps have a great day!