Well, look at it this way: If you failed your test, and (for example) your siblings kept teasing or talking about it with you, you wouldn't feel very comfortable would you now? This what Justin probably felt like when felt that he wanted to avoid reminders of how he had failed.
Note: this isn't the "essay", this a place to start from, so you can write the answer in your own words.
Hope this helps!
Answer:
"Castro's relationship with Khrushchev appeared to be a threat to America's safety.
Kennedy attempted to create alliances with Cuba in order to overthrow the Soviet Union. "
Answer:
People have and still are affecting the environment by littering. We also don't recycle as much as we should. We are greatly contributing to the destruction of the ozone layer. Fossil fuels hurt the environment. Even water pollution and deforestation is caused by us.