Answer:
C&E
If you look back in past lessons, you can read where it is (If your from CA, you can look in your course tree) :) hope this helps.
It's A and B i know this probably does not help you now but that the answer for the future people that need it <span />
The U.S. relies so heavily on oil that if it disappeared then they would probably be dragged down unless they found a better solution.
The U.S needs oil because, it runs cars, and also many other things. It runs boats for trade, airplanes, runs electricity creation plants, and it also creates our roads.
By making a rule that anyone who did not work did not eat. This made the colonists<span>plant food, and build shelters and fences to protect themselves from attack.</span>
Iit protects against any branch of the government trying to abuse its power. This way all powers are shared and equal. This goes even for the president, he alone cannot mandate orders. It takes approval of branches (judicial, legislative, executive) to get to a deal. :)
Happy New Year!