How did medical innovations transform China? Acupuncture was effective in keeping enemies from invading ancient China.
Acupuncture cured many diseases and prevented cancer in ancient China.
Acupuncture influenced ancient China by reducing pain and improving health.
Acupuncture created new surgical techniques in ancient China that saved lives.

Third option is correct!

the answer is the third option

Explanation:

had this on edge 2020 and the one above me is correct

porter is writing economic history because he is focusing on the cost of developing vaccines.

the results of roman expansion produced social conflict and civil war. julius caesar gained power and became a dictator but was then assassinated. the reign of augustus began a long period of imperial rule and peace in the roman empire. rome faced the problems of how to maintain peace, law, and order.

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