This is more of a psychology question than an English question, but coping mechanisms in general are all used to deal with stress. Stress covers a variety of influences as anything that affects one's mental or physical state.
Answer and explanation:
First, we have the word Athens. Then, we get to know that Athenian is a person from Athens. The final -s has been removed in Athens, and -ian was added. We can assume that -ian is the suffix, therefore. This suffix most likely indicates origin, a person's place of birth. Other words that use the same suffix and that indicate the origin of someone are: Parisian (Paris), Brazilian (Brazil), Italian (Italy), Argentinian (Argentine), among others.
What’s this ? I don’t understand your question.
Answer:
The Americans
Explanation / Resources:
"The United States received the disputed Texan territory, as well as New Mexico territory and California. The Mexican government was paid $15 million — the same sum issued to France for the Louisiana Territory. The United States Army won a grand victory." (www.ushistory.org)
"The Mexican-American War was a conflict between the United States and Mexico, fought from April 1846 to February 1848. Won by the Americans" (www.britannica.com)