After slavery was abolished in the south what type of cheap labor did. plantations rely on?

Sharecropping

Explanation:

With little money or technical training, freed blacks faced the prospect of becoming wage laborers. Because there were so few banks left in the South, it was virtually impossible for former slaves to get loans to buy farmland.  For many freed blacks (and poor whites) the primary vocational option after the war was sharecropping, in which the crop produced was divided between the tenant farmer and the landowner. Sharecropping enabled mothers and wives to contribute directly to the family’s income.

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.