Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.

What is the fastest growing level or no area in the pharmaceutical industry?
What is the fastest growing area in the pharmaceutical industry?

When did Goldbach or wait Landau propose his four conjectural problems?
When did Landau propose his four conjectural problems?

what do politicians no no imperialists pass on to the indigenous populations?
what do conquering people pass down to native populations?