आधुनिक बंगाली भाषा का विकास ऐतिहासिक रूप से किस प्राचीन हिंद-आर्य प्राकृत भाषा से माना जाता है?

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?