Consider the following propositions for rephrasing the sentence The attacks were masterminded by Osama bin Laden in an attempt to intimidate the United States and unite Muslims for a restoration of the caliphate (l. 09-12).
I - Attempting to intimidate the United States and unite Muslims for a restoration of the caliphate, Osama bin Laden has masterminded the attacks.
II - Osama bin Laden masterminded the attacks in an attempt to intimidate the United States and unite Muslims for a restoration of the caliphate.
III- In an attempt to intimidate the United States and unite Muslims for a restoration of the caliphate, the attacks have been masterminded by Osama bin Laden.