बिहार में राजनीतिक घटनाक्रमों और ब्रिटिश प्रभाव में परिवर्तन के संबंध में निम्नलिखित कथनों पर विचार कीजिए: 1. शेरशाह सूरी की मृत्यु के बाद, अंग्रेजों ने बंगाल और बिहार के क्षेत्रों को हड़पने के लिए राजनीतिक शून्यता का तुरंत फायदा उठाया। 2. 18वीं शताब्दी में बिहार पर मुगल प्रशासनिक पकड़ धीरे-धीरे कमजोर हो गई, जिससे विकेंद्रीकृत स्थानीय शासन को बढ़ावा मिला। 3. 1764 में बक्सर के युद्ध के बाद बिहार पर ब्रिटिश नियंत्रण स्थापित करने वाला निर्णायक राजनीतिक बदलाव हुआ। उपर्युक्त कथनों में से कौन-सा/से सही है/हैं?

Consider the following statements regarding the constitutional and administrative evolution of Bihar: 1. The combined province of Bihar and Orissa was officially separated from Bengal in 1912. 2. Lord Satyendra Prasanna Sinha was appointed as the first Indian Governor of the province of Bihar and Orissa in 1920. 3. Following the separation of Orissa in 1936, provincial elections were held in 1937, leading to Srikrishna Sinha becoming the head of the ministry (Premier/Chief Minister). Which of the statements given above are correct?

Consider the following statements regarding the institutional developments and strategies employed during mass movements in Bihar: 1. The Non-Cooperation Movement in Bihar involved the establishment of alternative institutions, such as the Bihar Vidyapeeth and Bihar National College, to substitute the British educational system. 2. To structurally support the political mobilization during this era, Mazhar-ul-Haq founded the Sadaqat Ashram, which functioned as the headquarters for the Congress in Bihar. 3. As part of the Non-Cooperation Movement's parallel institutional strategy, the Azad Dasta was established in Nepal to train youth in sabotage against British infrastructure. Which of the statements given above is/are correct?