We all know that there are many more singers and movie stars in the United States than in Canada. Because the United States is an open and free country, American nationals are eager to pursue art and are particularly open at heart, so there are many people who choose to sing and make movies to express their hearts and their pursuit of art.
We also know that there are many awards for movies and music in the United States.
For example, the Grammy Awards, the National Music Awards, and so on. The rich material rewards and reputation of this also stimulates the American people to a certain extent, so that more people in the United States to pursue the music and film, which emerges a large number of outstanding music and film talent.
In addition, we also know that the United States is the world's richest developed country, where the bourgeoisie and the rich are especially numerous, so people, on the basis of the satisfaction of the material wealth, will certainly be a great pursuit of spiritual wealth, in order to satisfy their own empty life.
Like the rural people in China now, everyone is running towards a well-off society, that's why they will go to the square dance. In a time when you can't get enough to eat, will there be too many people to sing and dance?
That's why there are so many American singers and movie stars in particular.