I think that most of this is just trying to express the need for practice. if i were to go to college and had a hard time speeking infront of an audiance the only way to get better is to practice
        
                    
             
        
        
        
Answer by YourHope:
Hi! :)
Question: What is the simple subject? 
Answer: Librarian!
Have a BEAUTIFUL day~
 
        
                    
             
        
        
        
A thesaurus is your best source option for alternate words with the same meaning.
        
                    
             
        
        
        
Answer:
Since there is nothing underlined, I will identify the part of speech for every word.
Dolley - proper noun
Madison - proper noun
the - definite article
wife - common noun, singular, countable
of - preposition
the - definite article
fourth - adjective
United States - proper noun
president - common noun, singular, countable
is -  present form of the auxiliary verb to be in third person
one - cardinal number
of - preposition
history`s - abstract noun, singular, countable (possessive form - Saxon genitive)
many - adjective
interesting - adjective
women - common noun, plural, countable