Answer all or most - will give brainliest how did the buildup of militaries lead to war? how did the formation of alliances affect the outbreak of war? what role did imperialism play in the outbreak of war? how did the spirit of nationalism push countries toward war? what events pushed the u. s. to enter the war?

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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.