Why was Robert Clive made the governor of Bengal?

In 1764 opinion within the company turned in Clive's favour because of the news from India. Clive's protégé Mīr Jaʿfar had been deposed in favour of Mīr Qāsim, who in turn had been deposed in 1763. ... Clive was appointed governor and commander in chief of Bengal with power to override the council.

the right answer for the question that is being asked and shown above is that: "their policy of "divide and rule" pitted political groups against each other to keep any one group from becoming too powerful.  " the  participant in european imperialism is being described below is that  their policy of "divide and rule" pitted political groups against each other to keep any one group from becoming too powerful. 

hello,

the steamboat is your answer.

it seems like its the only form of transportation on the choices.