Which of the following best explains how and why the practice of native american slavery changed over time? over time, native americans replaced african slaves because they were better at farming and mining for gold. over time, native american slaves replaced african slaves because of the high taxes on the african slave trade. over time, native american slaves were replaced by african slaves because the native americans were dying of diseases. over time, native american slaves were replaced by african slaves because of treaties signed between the europeans and the native americans.

Shortly after the arrival of the European settlers, the population of Native Americans quickly diminished because of the new diseases brought to the continent that were new for the Native Americans. This happened in North, Central and South America, all around the continent, the new sicknesses killed most of the indigenous people, which is why the European conquerors brought African slaves, since they could to endure the diseases and the hard labor.

Thus, the right answer is Over time, Native American slaves were replaced by African slaves because the Native Americans were dying of diseases.

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.

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