Cities along the atlantic coast grew in importance because of

a) trade
b) the flat coastline
c) mineral resources
d) cash crops

Cities along the Atlantic Coast grew in importance because of trade. The correct option among all the options that are given in the question is the first option or option "a". The other choices are incorrect and can be negated. I hope that this is the answer that has actually come to your desired help.

Answer any resource, such as wood or solar energy, that can or will be replenished naturally in the course of time;

Your answer would be 625,000,000.