Hi, the answer would be D - direct object. It cannot be the subject, because the subject of the sentence is "the essay". It isn't object of a preposition, as there is no preposition there. It is not a possessive, and given that this adjectival clause is a part of "the mountain", which is a direct object, it must be a direct object as well.
Answer:
According to President Bush, the United States of America government priorities can be classified into three. The categories upon which the government priorities can be categorized include:-
<em>1. Safety of American citizens</em>
<em>2. Economic security of the country and </em>
<em>3. National security.</em>
Explanation:
