Why was john milton imprisoned?
he stole money from a shopkeeper.
he wrote against the government.
he refused to support his family.
he refused to go into military service.

John Milton was imprisoned because he wrote against the government. the correct option among all the options given in the question is the second option. Although the imprisonment was not for long, still he had to go to jail because of his writing on divorce. During that time divorce was a very touchy issue and the government thought it to be not right and based on censorship laws he was jailed.