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.
The post World War scenario was highlighted by the fall of some colonial powers and the rise/peaking of some others. A redistribution of colonies and territories took place following the Treaty of Versailles. Germany was the biggest loser, while Britain and France gained the most new territories