Answer:
It was a Transportation Hub.
Explanation:
Seen by the map, almost every railroad crosses into Fort Worth in Texas. It was also a major hub for cattle drives, which is why the railroads went there also.
The answer is The Rule of Reason
For Example, a Manufacture company May restrict the supply of a product in different geographic market only to existing Retailers so they can earn a higher profit which lead to them creating a better service to customers.
This policy can increase the demand of the Manufacturer's product
The price of resources that go into the production of a good will affect the price of the good.
The plague of Justinian plagues was a pandemic that afflicted the eastern Roman Empire especially its capital Constantinople the Sassanid empire and port cities around the entire Mediterranean Sea
How long it lasted was for 541 AD - 542 AD