Part one of term paper
1.) Each assumption leads to different aspects of the battle to achieve higher arms. Assumption A wants to increase the level of arms to a proportion of the arms level of the other country. To do this, you want to take the rate of growth of the other country and multiply this by a proportional constant. The opposite country does the same d ...

Part two of term paper
... because in this assumption, you're not taking a rate of increase or decrease, you're simply adding or subtracting your level of arms to the country's desires. These all lead to a First-Order Difference equation because none of the rates are taken times themselves due to the country's reactions being don only one time. First-Order means nothing is squared, cubed, etc., and a difference equation adds or subtracts certain levels of need. 2.) DX(n) = b1 Y(n-1) - a1 X(n-1) + c DY(n) = b2 X(n-1) ...