I’m general or is this a specific war? If general. Soldiers don’t have a say so. They believe it’s worth fighting for because their leader believes it’s worth it. A soldier feels proud and believes they are protecting our country to the fullest.
It would be the economic policy of "mercantilism" that was based on the idea that the American colonies primarily were meant to provide economic benefits for Great Britain, since this philosophy held that trade between two entities benefits mainly the larger entity (in this case Britain), and that it is in that entity's best interest to protect its trading partner (the colonies).
4 because Pakistan is in the Middle East