What is one reason why the expansion of the railroads caused prices of products to drop during the gilded age?

Railroads provided cheap and fast transportation for both raw materials and products.

Explanation:

When the cost of production drops, the sellers and merchants are able to offer a better-lower cosot for their buyers, when the railroads started expading, the new-cheaper way of transportation made it possible for products and raw materials to lower their production cost, this meant that they were able to offer the same products and materials at a cheaper cost.

health care plans in the united states having high costs because they are focusing on providing quality programs for different groups of individuals. the quality of the service is based on money flow received from the members. without this investment, couldn't be possible a constant scientific searching to prevent death and illness caused because of low levels of health investigation. currently, the complaints are not about the highest cost, but about the coverage and benefits to access the necessary health services required by the members.  

besides, if a global health system is established the quality levels will fall down because of the standardized of the health. the access to care will increase but the quality will be low because it depends on the money invested.

during world war ii