History · Modern Indian History

Consider the following statements regarding the Subsidiary Alliance System introduced by Lord Wellesley: I. Indian rulers were required to accept the permanent stationing of a British force within their territory. II. Indian rulers could maintain their own foreign relations and employ Europeans independently. III. The system effectively stripped the Indian states of their defense and independent foreign relations. IV. Hyderabad was the first major state to sign a formal Subsidiary Alliance with Wellesley. How many of the above statements are correct?