Answer:
The Holocaust of WWII resulted in millions of deaths of Jewish people and years of oppression for Jews.
Explanation:
It was caused by Adolf Hitler's pure hatred of the Jewish people, and fun fact, when he was a boy, he wanted to be a priest. Sorry, I know that's totally unrelated to the question.
The correct option is C:<em> No country on Earth is immune from water shortages.</em>
Nowadays, water shortages are a worldwide problem. Not only South Africa or the United States, but also many other countries in the world suffer from water problems. In this way, a potential solution at local level could be not enough. It is necessary to take actions that revert this situation as soon as possible.
The author is giving a sense of danger with dark clouds and with a gloomy setting.