Which statements correctly describe the african slave trade of the 1500s? choose all answers that are correct. a. the transatlantic slave trade involved millions of africans kidnapped into slavery over the course of 300 years. b. the middle passage refers to the forced journey of kidnapped africans from eastern african to western africa where slave ships waited. c. when african slavers sold kidnapped africans to european slave traders in the 1500s, it was the first time members of one tribe had sold members of another tribe into slavery. d. african slaves were needed in the americas to replace the rapidly declining population of native people.

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.