There is no such thing as a south America flag
50 stars
4 stars are featured on the NSW flag.
50 stars for 50 states in the United States of America.
50
There is no single flag for America
Fifty.
50 stars are on the US flag, 1 for each state
50
50 stars, one for each state.
The flag of the United States of America had fourty-eight stars from 1912 until 1959.
There are 50 stars, each representing one of the 50 states.
South America is a continent that consists of many countries. As such it doesn't have one flag.