Answer: you can serve no more than 4 years
"<span>B. regulating the stock market" and "C. paying pensions and benefits for the elderly, children, and the handicapped" are still tactics that are used today. </span>
There were several major factors that led to stalemate in the trenches, but the best options from the list are "Defensive weapons were better than offensive ones.
<span>and Trenches were designed for defense."</span>
