Answer:
A country may be fighting for either something that they desire, (more land to conquer) or for defending their own country from someone else trying to take from what's theirs.
The advantages of Sante Fe Trials were being a vital commercial highway, using it for the invasion of NewMexico, increase the American Trades and it was also used in Mexican American War, but the disadvantages were the rough road and with bad constructions.
<span>Why were parts of jefferson's original draft of the declaration of independence change</span>
The colonists were killed by Native Americans or hostile Spaniards