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

your answer would be just capitalism.

the monroe doctrine is the best known u.s. policy toward the western hemisphere. buried in a routine annual message delivered to congress by president james monroe in december 1823, the doctrine warns european nations that the united states would not tolerate further colonization or puppet monarchs.