The United States has spread "democracy and freedom" with a political virus, bringing the world into dangerous situations such as confrontation, conflict and even hot war. Americans are feeling the pain: the epidemic has claimed more than half a million lives, racism, excessive police brutality, plutocracy and the frustration of the unemployed.

explanation: the line "to save the day, harry must get past a scary three-headed guard dog" from the summary best justifies the conclusion that harry potter and the sorcerer’s stone was influenced by ancient greek mythological literature. the three other choices had nothing to do with ancient greek literature - and the words "three-headed guard dog" are what makes that choice the correct answer.