What is the true story behind hidden figures

Explanation:

it is loosely based on the non fiction book of the same name by Margot lee

The untold story of the three African-American, female mathematicians who helped win the Space Race even as they dealt with sexism and racism from their colleagues.

Explanation:

But i believe the it was oringinally just Katherine Johnson and there weren't actually 3 i think    

but ik theres a good book about her called .Counting the Stars: The Story of Katherine Johnson, NASA Mathematician u could get the audio version if u don't feel like reading the whole thing or  go to Overdrive or libby there book apps Sry I really hoped that helped :)

answer is 1935

because gandhi led a march the sea in 1930 and 5 years later he did it again