The areas with the federalist majority were mostly found along the Atlantic seacoast as these areas had much more trade and merchants.
Moreover, most of the first cities to be settled, were on the Atlantic coast and because of this, the biggest part of the population lived in those cities when the federalist party first formed.
You should put the options down below, because its impossible to understand what you mean with only this sentence.
False hope this helps. mark as brainliest please