Answer:
Pakistan had been created by Quaid-e-Azam with a lot of struggle.
Explanation:
In grammar, voice is the relationship between the action or state expressed by the verb and the participants of the sentence, such as the subject, object, and others. There are two voices in English:
Written in the passive voice, the given sentence will look like this:
Pakistan was created by Quaid-e-Azam with a lot of struggle.
You can see more about converting the active into passive voice below: