They would have huge cattle drives, the tejanos came up with it and the ranchers would ranch cattle to armies and made 30000 to 700000. The ranchers had to face challenges. cattle thieves would harm or steal cattle and make profit by reselling the cattle.
it turned a city with a population of 9000 to 50000 be cause of the oil boomtowns growing at a fast rate and this happened to many cities
Railroads where used as a fast way to travel and ship goods and to ship stuff to the army for money;they where cheap fast and reliable compared to horseback