I think its d. The Soviet Union refused to agree to an arms control agreement.
Thomas jefferson wrote it
A noun is defined as a name of a person, place, thing, or event. A noun can either be a common noun or a proper noun. Based on the given sentence above, the nouns are: chapters and essay. The nouns chapters and essay are examples of common nouns. Hope this answer helps.
The answer is <span>the Treaty of Portsmouth</span>