Leader Boris Yeltsin from Russia visited Texas in 1989, he went to a grocery store and was shocked by the abundance of food. This shattered his view of Socialism/Communism, confessed the free market works, realized his country was lied to and led to him actually reforming Russia.

Write up from Russia and Video:
https://englishrussia.com/2015/01/20/borist-yeltsin-in-american-supermarket/