निम्नलिखित में से किसने भाषा अधिगम का संज्ञानात्मक सिद्धांत (cognitive theory of language learning) दिया था?

Which of the following territories was annexed by Lord Dalhousie under the pretext of misgovernance, and not directly through the Doctrine of Lapse?

What was the primary stated reason for the Partition of Bengal in 1905 by Lord Curzon?