"The die is now cast," he told his prime minister. "The colonies must either submit or triumph." What is the purpose of the underlined sentences in the passage?

A
to explain the king's relationship to his prime minister

B
to support the claim that King George didn’t care about the Boston Tea Party or the colonists in America

C
to hint that the Boston Tea Party was going to set off a larger conflict between the colonies and England

D
to provide a detail about the type of board games King George liked to play