President calvin coolidge’s popularity was mostly due to his decision to greatly expand the number of government jobs his charming manners and easy way with foreign diplomats the economic good times that prevailed during his presidency his interest in expanding the powers of government

Right the economic good times that prevailed during his presidency

the first and last ones are wrong right off the bat b/c he believed gov should have as limited a role as possible in people's lives and the second is wrong b/c he was actually very quiet and withdrawn in nature to the point of appearing rude, not charming at all