The number of people in the United States that play tennis numbers about 21.2 million. That is almost equal to the entire population of Australia.
There are a lot of people. There is no specific number, as anyone could start playing tennis any second.
they had to protect the citizens
No he was not the first black men to play tennis. Though he was the first black man to win the Us open tennis. But I will try to find the first black man to play tennis.
Yes. They play table tennis which is the same as ping-pong.
What U.S. city is home to the largest number of naturalized citizens?
where do naturalized US citizens with a US passport find their alien registration number? Answer #2 if you are a naturalized US citizen with a passport you no longer have the alien registration number as you are a naturalized Citizen.
According to the 2000 census number of US citizens native (250,314,017) and naturalized ( 12,542,626 ) is 262,856,643. http://www.census.gov/prod/2002pubs/c2kprof00-us.pdf
You don't get paid, but you do receive prize money.
As of July 2008 The population of the US was 304,059,724 citizens.
Non US. citizens