Questions

Since, the starting statement carries a subject; the next statement will carry a verb i.e. Q follows as it mentioned the discovery of the Regent. R will bethe continuing statement which states what he actually discovered. P follows next as it talked about the reaction of the Regent after the discovery. And S would be the concluding statement and thus form a coherent paragraph.

The correct formation would be, ‘The Regent having discovered that he had imprisoned an innocent man released Voltaire and gave him a pension.’

Lord Cornwallis

The council of ministers is collectively responsible to House of the People. Cabinet collective responsibility, also known as collective ministerial responsibility, is a constitutional convention in Parliamentary systems that members of the cabinet must publicly support all governmental decisions made in Cabinet, even if they do not privately agree with them.

OS-2 operating systems is produced by IBM. It also created it's own version of DOS called PC-DOS.