Why did slim say to george, "you hadda, george. i swear you hadda"? what does he mean?

Slim is consoling George as he has shot Lennie. He’s also telling George that he had to kill Lennie and he didn’t have a choice. Also, this is the part where George decides to kill him instead of Curley and his gang killing Lennie because he doesn’t want them to take his friends life.

The answer is a. dramatic movement

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