One way a quadcopter is used today is to capture important events from above if you need a certain angle. Another way is to surveil areas,
I think the correct answer from the choices listed above is option 4. The refrigerator car is the invention which was most important in revolutionizing the meat industry. It <span>is a </span>refrigerated <span>boxcar, a piece of railroad rolling stock designed to carry perishable freight at specific temperatures.</span>
Answer is hostility to or prejudice against Jews.