How did the British East India Company gain control of much of eastern India?
Parliament granted the company unrestricted power in the region.
It joined forces with the French trading company in the region.
© It defeated the last great Mughal emperor in a conflict in Bengal.
d It overcame Indian forces at the Battle of Plassey.

In 1784, the British Parliament passed Prime Minister William Pitt's “India Act,” which formally included the British government in ruling over the East India Company's land holdings in India.

The British presence in India began through trade. Men like Robert Clive of the British East India Company combined military prowess with a ruthless ambition and became fabulously wealthy. With wealth came power, and traders took control of huge swathes of India.

i think the answer is c, rivers.

explanation:

sometimes, borders fall along natural boundaries like rivers or mountain ranges. for example, the boundary between france and spain follows the crest of the pyrenees mountains. for part of its length, the boundary between the united states and mexico follows a river called the rio grande. the borders of four countries divide africa’s lake chad: niger, chad, cameroon, and nigeria.