How does international trade lead to specialization? countries become more dependent on each other for buying and selling manufactured goods. labor can be outsourced cheaply to other countries, which brings down production costs. countries can make the best use of resources by buying what they don’t have from other nations industries begin to compete to offer the best prices and increase demand.

Countries can make the best use of resources by buying what they don’t have from other nations

C). Countries can make the best use of resources by buying what they don't have from other nations

Explanation:

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.

some american cities felt workers were being oppressed by business monopolies