Answer:
substance abuse, negative peer pressure, sexual activity
unequal power relations
He used riddling to talk to Smaug I think because he wanted to stall and waste time as he figured out a plan. He also used riddles to talk to Golem who he clearly was trying to stall to save himself as Golem wanted to kill and eat Bilbo. So it is a reoccurring theme of Bilbo and it makes sense.
Race means that from where you are from like from India, China, Mongolia, Mexico, Africa etc. So the question basically means Where are you from?
It suggests a lack of life.
