Answer:
wait let me ask my teacher
Explanation:
They needed to reach a broader audience and they needed to help boost the economy and help families.
With the invention of refrigeration, they started the practice of slaughtering cattle before the train journey. They packed the meat into refrigerated freight cars, known as "reefers". That facilitated the shipment of meat by train over long distances, with the meat arriving at its destination in edible condition.
