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

How many provinces did the Ottoman empire control on three continents er contain in the 17th century?
How many provinces did the Ottoman empire contain in the 17th century?

What is associated with abnormal forces or rather what does not cause strain in structures?
What does not cause strain in structures?

Mohammad Iqbal was what type of enemy to the Iranian Revolution no the State of Pakistan?
Mohammad Iqbal was what type of enemy to the State of Pakistan?