No.
Cambodia has never hosted the Olympics.
No African country has ever hosted the olympics
The Olympics have never been hosted in Bolivia.
Poland never hosted any summer or winter olympics.
Yes, Barcelona hosted the Olympics in 1992.
no
no
Uruguay hosted the first world cup in 1930.
It was hosted by Uruguay. It was the first FIFA World Cup ever and it was won by the host country, Uruguay (Uruguay would win again in 1950 in Brazil).
New Zealand has never hosted the Olympics.
Not yet.
yes