1. european expansion was driven by all of the following except

wealth and trade
religous zeal
political ambition
fear of african empires

2. the treaty of tordesillas in 1494 gave spain control of almost all of

africa
asia
europe
the americas

3. the aztec rulers of mexico fought against the forces of which spanish warrior?

hernan cortes
francisco pizarro
bartolome de las casas
pedro alvares cabral

silk

indigo  

rice

all the other answers are wrong

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.