Answer:
Health promotion enables people to increase control over their own health. It covers a wide range of social and environmental interventions that are designed to benefit and protect individual people’s health and quality of life by addressing and preventing the root causes of ill health, not just focusing on treatment and cure.
The dangerous games proves that even the most civilized man can turned into a savage by mere fear of losing his life. It demonstrates that terror can change the person to an uncivilized savage.
The answer should be an object of a verb. The bold words are neither a proposition(which is a word that expresses a relation to another word, like "after" or "next to") or the subject. The subject in this case would be the city of Washington.