Decision a clan can make
that would affect civilizations economic growth and survial

explanation:

i would have to say the women in the 1700 had the most rights because the men did not car about what they did in there time

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

the answer to your question is:

strong-mayor system