Ordering of Sentences

S1 : The Subsidiary Alliance system was extremely advantageous to the British.

S6 : They controlled the defence and the foreign relations of the protected ally.

  • P : They could now maintain a large army at the cost of Indian states.
  • Q : if many war occurred in the territories
  • R : either of the British ally or of the Britishers
  • S : This enabled them a to fight wars far away from their own territories

This proper sequence should be

  1. P Q R S
  2. P S Q R
  3. Q R P S
  4. S R P Q

Answer

The paragraph is about Subsidiary Alliance system. "They" in sentence P refers to the British. "This" in the sentence S refers to maintaining large armies. So, S follows P.

The correct option is B.