All of these are correct.
samoans are mostly popular for their culture and their form of dance .
Mostly because sports are mainly human interaction and racing is cars, I suppose.
Land, mostly. Also, the differences in culture and language.
mostly indigenous
The 'St. James Encyclopedia of Popular Culture' was first published in 1999 by Gale Group Publishers. Gale Group publishes many different labels, but mostly services the education sector. Their primary publishing location is in Farmington Hills, MI.
Both, but mostly the latter.
It is a popular nocturne written in D flat. It is mostly used in popular culture and wedding ceremonies. You can download the scores from sheet music websites such as IMSLP and SheetMusicFox.
The differences are mostly language variation and television. The US has a wider range of what is on television.
Through tv mostly.
Reading textbooks
It was mostly popular in 1960's.
The most culture in south America is assume and mexicans!