Which of the following statements best summarizes the challenges facing the nation at the end of the civil war?
a. the south refused to surrender and the north lost interest in fighting the war.
b. congressional democrats were unpopular with southern whites and could not get elected.
c. northern leaders could not agree on how to rebuild the south.
d. the ku klux klan support african american rights in the south.

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.