<span>An adjective clause is simply a group of words with a subject and a verb that provide a description. The clause starts with a pronoun such as who, whom, that, or which or an adverb such as when, where and why.</span>
Iraq would be the correct option/answer for this question. Its a really interesting debate and you should check it out when you can.
Answer:
I was jubilant yet sadte about winning the championship game.
Explanation: