Webster gives two possibilities for the origins or source of our federal government’s power. What are those two sources?

The correct answer is exclusive powers;  concurrent powers

 Exclusive Powers are powers granted exclusively to that person, those powers are only directed at them.

Within the concurrent powers competence between laws, one must observe the principle of hierarchy of norms, where federal legislation takes precedence over state and municipal and state over municipal.

(202 bc - 220 ad) dynasty started by lui bang; a great and long-lasting rule, it discarded the harsh policies of the qin dynasty and adopted confucian principles; han rulers chose officials who passed the civil service exams rather than birth; it was a time of prosperity

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.