Answer the questions about the american flag? 1)what do people often call the american flag? 2)what are the colours of the american flag? 3)how many states are there in the usa? 4)how many stars are there on the american flag? why? 5)how many stripes has the flag got? 6)what colours are the stripes? 7)why are the 13 stripes on the flag? what do they mean? 8)what must people know about the american flag?