Answer:
A Pool
Explanation:
Given that a POOL is a form of business strategy where competing business firms come together to form an agreement or union that is based on maximizing profits by reducing competition through controlling prices.
Hence, in this case, where two competing railroad companies agreed to fix shipping rates at a level that benefited both. This kind of voluntary arrangement is called "A POOL."
I don’t know and it’s just question but if you could clarify the question I’d be glad to help you. With this question
The system kept many farmers in debt to merchants and banks.
The answers to ur question is D