Both B and D took place, but if you had to choose one, it would be B. The technological advances made farming much more quicker and easier for a large piece of land.
Answer: i would do the last one because seem best for the answer
Explanation:
Because they wouldn’t make a trade so they had to get what they needed
If Otto Esche’s idea to use Bactrian Camels to transport salt would have worked out, there would have been a mad rush to the British Columbia, Canada area. The economy for the province would have more than likely boomed, creating a wealthy area. Salt was a very expensive, yet useful commodity as it was used to preserve meats and cure leather. This made it invaluable during this time period. It could also help to sustain soldiers during war (circa Civil War).