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.
I believe that the answer to the question provided above is that US foreign policy became more strict due to the crisis. The strict policy has affected those innocent firms and the cash flow are oppressed
Hope my answer would be a great help for you. If you have more questions feel free to ask here at Brainly.
Answer:
b. compete for dominance over structure and behavior.
Explanation:
