There are many countries that participate.
It's a lot to list so if you go to Maps of World 2016 Summer Olympics Participating Countries, you can see all recent countries that participated. This way you can also give credit to that site.
Answer:
An economic theory that calls for workers to take control of factories is communism.
Well.. none now since they're dead... haha but when they were alive they were flightless and very clutsy birds, no wonder why they're extinct!
Answer:
The 9/11 Commission concluded that US agencies had been very successful at sharing information. terrorist attacks would never happen again on American soil. the United States had done everything possible to prevent the attacks. the attacks might have been prevented with better communication.
