To sell goods in china, american business leaders needed:
o a. agreement of chinese workers.
o
b. approval of chinese religious leaders.
o
c. control of ports and railroads in china.
o
d. control of missionary education in china.
subm

the anwser is C. you need control of ports and railroads in china.

C. Control of ports and railroads In China

Explanation: (apex :3)

the effect of the ming leaders banning ships with more than two masts was that there was no further construction of ships masts, because there was a surplus. ming emperors disallowed foreign exploration

just finished this it is b. centrifugal force