Divide with a dot or space
We cannot be entirely sure, because you didn't write the entry where the word can be found, but nevertheless, the word <em>defalcation, </em>meaning misappropriation of money or funds held by an official, trustee, or other fiduciary, is a part of speech known as noun.
B) over
It’s not hard over is the correct word in this sequence because around , to, under, changes the sentence sequence
C- By focusing on topics that are controversial