Which of the following details is most important to the development of the main idea?

a
lots of protesters took to the streets, demanding the czar give them bread.
b
the russians used a different calendar before the revolution took place.
c
the city petrograd is now known as st. petersburg.
d
czar nicholas ii became unpopular when he silenced the russian parliament.

A

Explanation:

Lots of protesters took to the streets, demanding that czar give them bread

answer; the mayans and

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.