Explanations:Murshid Quli Khan, who served as the Nawab of Bengal from 1717 to 1727, made significant contributions to the region's stability and prosperity. His tenure is particularly noted for his efforts to secure Bengal from external and internal threats, which is why option D is the correct answer.
One of the primary challenges faced by Bengal during Murshid Quli Khan's time was the threat of invasions and internal conflicts. He took several measures to address these issues. For instance, he strengthened the military infrastructure of Bengal, which included fortifying key locations and maintaining a well-equipped and disciplined army. This helped in deterring potential invaders and maintaining internal order.
Additionally, Murshid Quli Khan implemented administrative reforms that contributed to the region's stability. He established a more efficient system of governance, which included the appointment of capable officials and the implementation of fair taxation policies. These reforms helped in reducing internal strife and fostering a sense of security among the populace.
While Murshid Quli Khan did recognize the importance of trade and commerce, his primary focus was on ensuring the security and stability of Bengal. He understood that a secure environment was essential for the economic prosperity of the region. Therefore, his efforts to free Bengal from external and internal dangers were crucial in laying the foundation for the region's future development.
It is important to note that while Murshid Quli Khan made significant contributions in various areas, his primary legacy is his role in securing Bengal. This is why the correct answer highlights his efforts to free Bengal from external and internal dangers, as it encapsulates his most significant and lasting impact on the region.