It made it easier to transport goods and it caused the creation of nitroglycerin which made mining easier nitroglycerin is TNT
With the Americans having a higher population in Oregon then the British, they had more numbers if British decided to battle for the land.
1) The law of self interest - when people work for themselves and their own good
2) The law of competition - people make better products because of competition
3) The law of supply and demand - enough goods would be produced or supplied at the lowest price to meet the demand in a market
