Which language did Shivaji make the state language (official language)?

Arrange the following pivotal treaties that shaped later Maratha history in chronological order of their signing: A. The Treaty of Sangola, which validated the absolute supremacy of the Peshwa under Balaji Baji Rao B. The restrictive Treaty of Bassein signed by Baji Rao II, leading to British control C. The Treaty of Salbai, which successfully stabilized Maratha power under the guidance of Nana Phadnavis D. The Treaty of Wadgaon, resulting from a rare British military defeat by the Marathas Choose the correct answer from the options given below:

Arrange the following events pertaining to the sequence of Maratha royal succession and administration following Shivaji's death in chronological order: A. The introduction of the 'Hukumat Panth' decentralized administration system during the regency of Tarabai B. The shift of power to the Peshwas through the appointment of Balaji Vishwanath by Shahu Maharaj C. The capture and brutal execution of Sambhaji by Aurangzeb, ending his resistance to the Mughal invasion D. The continuation of Maratha guerrilla warfare against the Mughals under the leadership of Rajaram Choose the correct answer from the options given below: