What did the Olympics in the 80s boycott?

Do you have to do bronze or silver DofE to do gold? Is there a triathlon in the Olympics? Is there snow on mount Olympus? What is the name of P4O? What do you call a curling team? The stadium where on 8th Aug 2008 and the opening ceremony took place where many athletic events have taken place? What do Olympic snowboarders wear when snowboarding? What are different types of equestrian in the Olympics? How do you say the word treasure in Ukrainian? Who is logo is a big red O with only 5 letters? What are trampolines made out of? Who won the bronze medal in women's beach volleyball tournament at the Rio 2016 Olympics? Why has Europe had more summer Olympic games than other continent? Where was Sally Ride mother born? Did Olympia Snowe have any kids? Who won the bronze medal in the women's synchronized 3 m springboard at the Rio 2016 Olympics? What is the Russian word for hope? Why is Hong Kong competing in the 2008 Olympics as a country and not as a part of the Chinese team? What is the length of time is held? What is the chemical symbol for gold and how much does a gold medal weigh?