<span>Mrs. Brandeis' friendly personality helps her to succeed in business. Because she listens to the salesmen's troubles, they like her. I think this is the key ter succeeding in business that she is friendly, sociable and with an open mind so discusses things with her salesmen and is open to entertain their suggestions.</span>
The word you are looking for that describe a noun is an adjective
James Monroe was the 5th President
The correct answer is the third one
Yes, it has a lower frequency