Different Chinese inventions helped increase long-distance trade. The Chinese built large ships with , 1 of 2. Select Choice
, which helped with steering. About 1150, Chinese inventors in the Song dynasty perfected the , 2 of 2.
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, which helped Chinese sailors navigate their ships’ locations and sail farther from land. As a result of these inventions, the Chinese were able to sail to Southeast Asia, India, and other places to the west.

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.

i guess so you did not explain the answer clearly so i can't

this is false

richard nixon was the 37th president of the united state and didn't serve as a vice president for any president before him

    the answer is d hope this