As an estimate of a whole number it can be rounded to 528
No.
the children and adults did not listen to jazz during ww1 as it was not invented until 1920
it is estamated to be 20 MPG
300
10-500 usd
there are 2500 left in the world (estamated)
The Red Baron, or Baron Von Richtofen, was the top pilot of Germany during WW1.
Paris
yes
100000000000000
yes