Answer:
Yes, most definitely. Food is a necessity for everyone, not just Americans, and most if not all people would conserve it if the circumstance needed them to. And energy? For us being Americans, we feel as though we need energy, it fuels every aspect of our everyday lives in a way, so yes. I sure would make sacrifices for both.
A.D means in our time (Anno Domini, the year of our lord) and B.C means Before Christ - these two and the other mentioned words are used to B. refer to periods of time.
Answer:
B) Business owners used force to protect their workplaces from unionizations.